Home / 8,384.40-11,569.91-4,847.13

Finding the Fourth Proportional to 8,384.40, 11,569.91 and 4,847.13

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Solution

The fourth proportional to 8,384.40, 11,569.91 and 4,847.13 is: 6,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.40 : 11,569.91 = 4,847.13 : x
  2. Step 2: Convert to fraction form
    8,384.40/11,569.91 = 4,847.13/x
  3. Step 3: Cross multiply
    8,384.40x = 11,569.91 × 4,847.13
  4. Step 4: Simplify right side
    8,384.40x = 56,080,833.62
  5. Step 5: Solve for x
    x = 56,080,833.62/8,384.40
  6. Step 6: Final answer
    x = 6,688.71

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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.