Home / 8,864.81-13,299.50-3,318.24

Finding the Fourth Proportional to 8,864.81, 13,299.50 and 3,318.24

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Solution

The fourth proportional to 8,864.81, 13,299.50 and 3,318.24 is: 4,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.81 : 13,299.50 = 3,318.24 : x
  2. Step 2: Convert to fraction form
    8,864.81/13,299.50 = 3,318.24/x
  3. Step 3: Cross multiply
    8,864.81x = 13,299.50 × 3,318.24
  4. Step 4: Simplify right side
    8,864.81x = 44,130,874.71
  5. Step 5: Solve for x
    x = 44,130,874.71/8,864.81
  6. Step 6: Final answer
    x = 4,978.21

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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.