Home / 8,117.28-11,210.94-6,346.35

Finding the Fourth Proportional to 8,117.28, 11,210.94 and 6,346.35

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Solution

The fourth proportional to 8,117.28, 11,210.94 and 6,346.35 is: 8,765.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.28 : 11,210.94 = 6,346.35 : x
  2. Step 2: Convert to fraction form
    8,117.28/11,210.94 = 6,346.35/x
  3. Step 3: Cross multiply
    8,117.28x = 11,210.94 × 6,346.35
  4. Step 4: Simplify right side
    8,117.28x = 71,148,549.07
  5. Step 5: Solve for x
    x = 71,148,549.07/8,117.28
  6. Step 6: Final answer
    x = 8,765.07

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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.