Home / 6,423.62-9,613.51-5,384.79

Finding the Fourth Proportional to 6,423.62, 9,613.51 and 5,384.79

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Solution

The fourth proportional to 6,423.62, 9,613.51 and 5,384.79 is: 8,058.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.62 : 9,613.51 = 5,384.79 : x
  2. Step 2: Convert to fraction form
    6,423.62/9,613.51 = 5,384.79/x
  3. Step 3: Cross multiply
    6,423.62x = 9,613.51 × 5,384.79
  4. Step 4: Simplify right side
    6,423.62x = 51,766,719.05
  5. Step 5: Solve for x
    x = 51,766,719.05/6,423.62
  6. Step 6: Final answer
    x = 8,058.81

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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.