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Finding the Fourth Proportional to 6,341.80, 9,501.90 and 5,240.20

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Solution

The fourth proportional to 6,341.80, 9,501.90 and 5,240.20 is: 7,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,341.80 : 9,501.90 = 5,240.20 : x
  2. Step 2: Convert to fraction form
    6,341.80/9,501.90 = 5,240.20/x
  3. Step 3: Cross multiply
    6,341.80x = 9,501.90 × 5,240.20
  4. Step 4: Simplify right side
    6,341.80x = 49,791,856.38
  5. Step 5: Solve for x
    x = 49,791,856.38/6,341.80
  6. Step 6: Final answer
    x = 7,851.38

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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.