Home / 8,128.93-11,217.86-4,592.13

Finding the Fourth Proportional to 8,128.93, 11,217.86 and 4,592.13

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Solution

The fourth proportional to 8,128.93, 11,217.86 and 4,592.13 is: 6,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,128.93 : 11,217.86 = 4,592.13 : x
  2. Step 2: Convert to fraction form
    8,128.93/11,217.86 = 4,592.13/x
  3. Step 3: Cross multiply
    8,128.93x = 11,217.86 × 4,592.13
  4. Step 4: Simplify right side
    8,128.93x = 51,513,871.44
  5. Step 5: Solve for x
    x = 51,513,871.44/8,128.93
  6. Step 6: Final answer
    x = 6,337.11

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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.