Home / 9,232.20-12,740.34-5,040.45

Finding the Fourth Proportional to 9,232.20, 12,740.34 and 5,040.45

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Solution

The fourth proportional to 9,232.20, 12,740.34 and 5,040.45 is: 6,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,232.20 : 12,740.34 = 5,040.45 : x
  2. Step 2: Convert to fraction form
    9,232.20/12,740.34 = 5,040.45/x
  3. Step 3: Cross multiply
    9,232.20x = 12,740.34 × 5,040.45
  4. Step 4: Simplify right side
    9,232.20x = 64,217,046.75
  5. Step 5: Solve for x
    x = 64,217,046.75/9,232.20
  6. Step 6: Final answer
    x = 6,955.77

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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.