Home / 4,759.17-7,140.15-2,127.30

Finding the Fourth Proportional to 4,759.17, 7,140.15 and 2,127.30

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Solution

The fourth proportional to 4,759.17, 7,140.15 and 2,127.30 is: 3,191.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.17 : 7,140.15 = 2,127.30 : x
  2. Step 2: Convert to fraction form
    4,759.17/7,140.15 = 2,127.30/x
  3. Step 3: Cross multiply
    4,759.17x = 7,140.15 × 2,127.30
  4. Step 4: Simplify right side
    4,759.17x = 15,189,241.10
  5. Step 5: Solve for x
    x = 15,189,241.10/4,759.17
  6. Step 6: Final answer
    x = 3,191.57

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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.