Home / 6,423.55-9,631.20-2,724.79

Finding the Fourth Proportional to 6,423.55, 9,631.20 and 2,724.79

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Solution

The fourth proportional to 6,423.55, 9,631.20 and 2,724.79 is: 4,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.55 : 9,631.20 = 2,724.79 : x
  2. Step 2: Convert to fraction form
    6,423.55/9,631.20 = 2,724.79/x
  3. Step 3: Cross multiply
    6,423.55x = 9,631.20 × 2,724.79
  4. Step 4: Simplify right side
    6,423.55x = 26,243,001.65
  5. Step 5: Solve for x
    x = 26,243,001.65/6,423.55
  6. Step 6: Final answer
    x = 4,085.43

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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.