Home / 5,301.62-7,940.13-5,117.10

Finding the Fourth Proportional to 5,301.62, 7,940.13 and 5,117.10

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Solution

The fourth proportional to 5,301.62, 7,940.13 and 5,117.10 is: 7,663.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.62 : 7,940.13 = 5,117.10 : x
  2. Step 2: Convert to fraction form
    5,301.62/7,940.13 = 5,117.10/x
  3. Step 3: Cross multiply
    5,301.62x = 7,940.13 × 5,117.10
  4. Step 4: Simplify right side
    5,301.62x = 40,630,439.22
  5. Step 5: Solve for x
    x = 40,630,439.22/5,301.62
  6. Step 6: Final answer
    x = 7,663.77

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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.