Home / 8,875.17-13,305.74-4,430.55

Finding the Fourth Proportional to 8,875.17, 13,305.74 and 4,430.55

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Solution

The fourth proportional to 8,875.17, 13,305.74 and 4,430.55 is: 6,642.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.17 : 13,305.74 = 4,430.55 : x
  2. Step 2: Convert to fraction form
    8,875.17/13,305.74 = 4,430.55/x
  3. Step 3: Cross multiply
    8,875.17x = 13,305.74 × 4,430.55
  4. Step 4: Simplify right side
    8,875.17x = 58,951,724.20
  5. Step 5: Solve for x
    x = 58,951,724.20/8,875.17
  6. Step 6: Final answer
    x = 6,642.32

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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.