Home / 8,240.18-11,362.34-6,347.56

Finding the Fourth Proportional to 8,240.18, 11,362.34 and 6,347.56

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Solution

The fourth proportional to 8,240.18, 11,362.34 and 6,347.56 is: 8,752.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.18 : 11,362.34 = 6,347.56 : x
  2. Step 2: Convert to fraction form
    8,240.18/11,362.34 = 6,347.56/x
  3. Step 3: Cross multiply
    8,240.18x = 11,362.34 × 6,347.56
  4. Step 4: Simplify right side
    8,240.18x = 72,123,134.89
  5. Step 5: Solve for x
    x = 72,123,134.89/8,240.18
  6. Step 6: Final answer
    x = 8,752.62

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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.