Home / 8,731.90-13,097.98-4,860.91

Finding the Fourth Proportional to 8,731.90, 13,097.98 and 4,860.91

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Solution

The fourth proportional to 8,731.90, 13,097.98 and 4,860.91 is: 7,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.90 : 13,097.98 = 4,860.91 : x
  2. Step 2: Convert to fraction form
    8,731.90/13,097.98 = 4,860.91/x
  3. Step 3: Cross multiply
    8,731.90x = 13,097.98 × 4,860.91
  4. Step 4: Simplify right side
    8,731.90x = 63,668,036.47
  5. Step 5: Solve for x
    x = 63,668,036.47/8,731.90
  6. Step 6: Final answer
    x = 7,291.43

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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.