Home / 7,050.12-9,727.20-4,695.72

Finding the Fourth Proportional to 7,050.12, 9,727.20 and 4,695.72

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Solution

The fourth proportional to 7,050.12, 9,727.20 and 4,695.72 is: 6,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.12 : 9,727.20 = 4,695.72 : x
  2. Step 2: Convert to fraction form
    7,050.12/9,727.20 = 4,695.72/x
  3. Step 3: Cross multiply
    7,050.12x = 9,727.20 × 4,695.72
  4. Step 4: Simplify right side
    7,050.12x = 45,676,207.58
  5. Step 5: Solve for x
    x = 45,676,207.58/7,050.12
  6. Step 6: Final answer
    x = 6,478.78

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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.