Home / 8,710.31-13,065.45-3,162.62

Finding the Fourth Proportional to 8,710.31, 13,065.45 and 3,162.62

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Solution

The fourth proportional to 8,710.31, 13,065.45 and 3,162.62 is: 4,743.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.31 : 13,065.45 = 3,162.62 : x
  2. Step 2: Convert to fraction form
    8,710.31/13,065.45 = 3,162.62/x
  3. Step 3: Cross multiply
    8,710.31x = 13,065.45 × 3,162.62
  4. Step 4: Simplify right side
    8,710.31x = 41,320,988.15
  5. Step 5: Solve for x
    x = 41,320,988.15/8,710.31
  6. Step 6: Final answer
    x = 4,743.92

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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.