Home / 4,785.59-7,177.82-1,275.86

Finding the Fourth Proportional to 4,785.59, 7,177.82 and 1,275.86

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Solution

The fourth proportional to 4,785.59, 7,177.82 and 1,275.86 is: 1,913.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.59 : 7,177.82 = 1,275.86 : x
  2. Step 2: Convert to fraction form
    4,785.59/7,177.82 = 1,275.86/x
  3. Step 3: Cross multiply
    4,785.59x = 7,177.82 × 1,275.86
  4. Step 4: Simplify right side
    4,785.59x = 9,157,909.77
  5. Step 5: Solve for x
    x = 9,157,909.77/4,785.59
  6. Step 6: Final answer
    x = 1,913.64

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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.