Home / 7,138.24-10,705.92-4,966.72

Finding the Fourth Proportional to 7,138.24, 10,705.92 and 4,966.72

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Solution

The fourth proportional to 7,138.24, 10,705.92 and 4,966.72 is: 7,449.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138.24 : 10,705.92 = 4,966.72 : x
  2. Step 2: Convert to fraction form
    7,138.24/10,705.92 = 4,966.72/x
  3. Step 3: Cross multiply
    7,138.24x = 10,705.92 × 4,966.72
  4. Step 4: Simplify right side
    7,138.24x = 53,173,306.98
  5. Step 5: Solve for x
    x = 53,173,306.98/7,138.24
  6. Step 6: Final answer
    x = 7,449.08

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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.