Home / 4,320.50-6,475.28-2,759.90

Finding the Fourth Proportional to 4,320.50, 6,475.28 and 2,759.90

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Solution

The fourth proportional to 4,320.50, 6,475.28 and 2,759.90 is: 4,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.50 : 6,475.28 = 2,759.90 : x
  2. Step 2: Convert to fraction form
    4,320.50/6,475.28 = 2,759.90/x
  3. Step 3: Cross multiply
    4,320.50x = 6,475.28 × 2,759.90
  4. Step 4: Simplify right side
    4,320.50x = 17,871,079.10
  5. Step 5: Solve for x
    x = 17,871,079.10/4,320.50
  6. Step 6: Final answer
    x = 4,136.35

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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.