Home / 4,265.55-6,397.88-1,145.88

Finding the Fourth Proportional to 4,265.55, 6,397.88 and 1,145.88

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Solution

The fourth proportional to 4,265.55, 6,397.88 and 1,145.88 is: 1,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.55 : 6,397.88 = 1,145.88 : x
  2. Step 2: Convert to fraction form
    4,265.55/6,397.88 = 1,145.88/x
  3. Step 3: Cross multiply
    4,265.55x = 6,397.88 × 1,145.88
  4. Step 4: Simplify right side
    4,265.55x = 7,331,197.01
  5. Step 5: Solve for x
    x = 7,331,197.01/4,265.55
  6. Step 6: Final answer
    x = 1,718.70

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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.