Home / 4,707.47-7,062.92-1,785.75

Finding the Fourth Proportional to 4,707.47, 7,062.92 and 1,785.75

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Solution

The fourth proportional to 4,707.47, 7,062.92 and 1,785.75 is: 2,679.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.47 : 7,062.92 = 1,785.75 : x
  2. Step 2: Convert to fraction form
    4,707.47/7,062.92 = 1,785.75/x
  3. Step 3: Cross multiply
    4,707.47x = 7,062.92 × 1,785.75
  4. Step 4: Simplify right side
    4,707.47x = 12,612,600.46
  5. Step 5: Solve for x
    x = 12,612,600.46/4,707.47
  6. Step 6: Final answer
    x = 2,679.28

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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.