Home / 7,046.28-9,723.60-3,902.40

Finding the Fourth Proportional to 7,046.28, 9,723.60 and 3,902.40

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Solution

The fourth proportional to 7,046.28, 9,723.60 and 3,902.40 is: 5,385.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,046.28 : 9,723.60 = 3,902.40 : x
  2. Step 2: Convert to fraction form
    7,046.28/9,723.60 = 3,902.40/x
  3. Step 3: Cross multiply
    7,046.28x = 9,723.60 × 3,902.40
  4. Step 4: Simplify right side
    7,046.28x = 37,945,376.64
  5. Step 5: Solve for x
    x = 37,945,376.64/7,046.28
  6. Step 6: Final answer
    x = 5,385.16

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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.