Home / 7,431.15-10,257.66-5,071.62

Finding the Fourth Proportional to 7,431.15, 10,257.66 and 5,071.62

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Solution

The fourth proportional to 7,431.15, 10,257.66 and 5,071.62 is: 7,000.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.15 : 10,257.66 = 5,071.62 : x
  2. Step 2: Convert to fraction form
    7,431.15/10,257.66 = 5,071.62/x
  3. Step 3: Cross multiply
    7,431.15x = 10,257.66 × 5,071.62
  4. Step 4: Simplify right side
    7,431.15x = 52,022,953.61
  5. Step 5: Solve for x
    x = 52,022,953.61/7,431.15
  6. Step 6: Final answer
    x = 7,000.66

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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.