Home / 4,387.79-6,525.27-4,249.40

Finding the Fourth Proportional to 4,387.79, 6,525.27 and 4,249.40

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Solution

The fourth proportional to 4,387.79, 6,525.27 and 4,249.40 is: 6,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.79 : 6,525.27 = 4,249.40 : x
  2. Step 2: Convert to fraction form
    4,387.79/6,525.27 = 4,249.40/x
  3. Step 3: Cross multiply
    4,387.79x = 6,525.27 × 4,249.40
  4. Step 4: Simplify right side
    4,387.79x = 27,728,449.71
  5. Step 5: Solve for x
    x = 27,728,449.71/4,387.79
  6. Step 6: Final answer
    x = 6,319.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.