Home / 7,643.18-10,549.46-4,660.66

Finding the Fourth Proportional to 7,643.18, 10,549.46 and 4,660.66

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Solution

The fourth proportional to 7,643.18, 10,549.46 and 4,660.66 is: 6,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.18 : 10,549.46 = 4,660.66 : x
  2. Step 2: Convert to fraction form
    7,643.18/10,549.46 = 4,660.66/x
  3. Step 3: Cross multiply
    7,643.18x = 10,549.46 × 4,660.66
  4. Step 4: Simplify right side
    7,643.18x = 49,167,446.24
  5. Step 5: Solve for x
    x = 49,167,446.24/7,643.18
  6. Step 6: Final answer
    x = 6,432.85

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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.