Home / 8,886.28-13,331.22-2,646.40

Finding the Fourth Proportional to 8,886.28, 13,331.22 and 2,646.40

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Solution

The fourth proportional to 8,886.28, 13,331.22 and 2,646.40 is: 3,970.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.28 : 13,331.22 = 2,646.40 : x
  2. Step 2: Convert to fraction form
    8,886.28/13,331.22 = 2,646.40/x
  3. Step 3: Cross multiply
    8,886.28x = 13,331.22 × 2,646.40
  4. Step 4: Simplify right side
    8,886.28x = 35,279,740.61
  5. Step 5: Solve for x
    x = 35,279,740.61/8,886.28
  6. Step 6: Final answer
    x = 3,970.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.