Home / 8,724.89-13,089.36-4,567.16

Finding the Fourth Proportional to 8,724.89, 13,089.36 and 4,567.16

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Solution

The fourth proportional to 8,724.89, 13,089.36 and 4,567.16 is: 6,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.89 : 13,089.36 = 4,567.16 : x
  2. Step 2: Convert to fraction form
    8,724.89/13,089.36 = 4,567.16/x
  3. Step 3: Cross multiply
    8,724.89x = 13,089.36 × 4,567.16
  4. Step 4: Simplify right side
    8,724.89x = 59,781,201.42
  5. Step 5: Solve for x
    x = 59,781,201.42/8,724.89
  6. Step 6: Final answer
    x = 6,851.80

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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.