Home / 8,249.79-11,389.07-6,357.23

Finding the Fourth Proportional to 8,249.79, 11,389.07 and 6,357.23

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Solution

The fourth proportional to 8,249.79, 11,389.07 and 6,357.23 is: 8,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.79 : 11,389.07 = 6,357.23 : x
  2. Step 2: Convert to fraction form
    8,249.79/11,389.07 = 6,357.23/x
  3. Step 3: Cross multiply
    8,249.79x = 11,389.07 × 6,357.23
  4. Step 4: Simplify right side
    8,249.79x = 72,402,937.48
  5. Step 5: Solve for x
    x = 72,402,937.48/8,249.79
  6. Step 6: Final answer
    x = 8,776.34

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Half scale
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Double scale
Find fourth proportional to 8,250.79, 11,390.45 and 6,358.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.