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Finding the Fourth Proportional to 5,101.59, 7,653.15 and 1,813.90

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Solution

The fourth proportional to 5,101.59, 7,653.15 and 1,813.90 is: 2,721.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.59 : 7,653.15 = 1,813.90 : x
  2. Step 2: Convert to fraction form
    5,101.59/7,653.15 = 1,813.90/x
  3. Step 3: Cross multiply
    5,101.59x = 7,653.15 × 1,813.90
  4. Step 4: Simplify right side
    5,101.59x = 13,882,010.52
  5. Step 5: Solve for x
    x = 13,882,010.52/5,101.59
  6. Step 6: Final answer
    x = 2,721.11

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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.