Home / 4,703.76-6,489.18-3,132.36

Finding the Fourth Proportional to 4,703.76, 6,489.18 and 3,132.36

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Solution

The fourth proportional to 4,703.76, 6,489.18 and 3,132.36 is: 4,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.76 : 6,489.18 = 3,132.36 : x
  2. Step 2: Convert to fraction form
    4,703.76/6,489.18 = 3,132.36/x
  3. Step 3: Cross multiply
    4,703.76x = 6,489.18 × 3,132.36
  4. Step 4: Simplify right side
    4,703.76x = 20,326,447.86
  5. Step 5: Solve for x
    x = 20,326,447.86/4,703.76
  6. Step 6: Final answer
    x = 4,321.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.