Home / 6,471.12-9,706.68-4,293.76

Finding the Fourth Proportional to 6,471.12, 9,706.68 and 4,293.76

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Solution

The fourth proportional to 6,471.12, 9,706.68 and 4,293.76 is: 6,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.12 : 9,706.68 = 4,293.76 : x
  2. Step 2: Convert to fraction form
    6,471.12/9,706.68 = 4,293.76/x
  3. Step 3: Cross multiply
    6,471.12x = 9,706.68 × 4,293.76
  4. Step 4: Simplify right side
    6,471.12x = 41,678,154.32
  5. Step 5: Solve for x
    x = 41,678,154.32/6,471.12
  6. Step 6: Final answer
    x = 6,440.64

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1.5x scale

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.