Home / 7,418.58-11,132.40-4,304.70

Finding the Fourth Proportional to 7,418.58, 11,132.40 and 4,304.70

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Solution

The fourth proportional to 7,418.58, 11,132.40 and 4,304.70 is: 6,459.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.58 : 11,132.40 = 4,304.70 : x
  2. Step 2: Convert to fraction form
    7,418.58/11,132.40 = 4,304.70/x
  3. Step 3: Cross multiply
    7,418.58x = 11,132.40 × 4,304.70
  4. Step 4: Simplify right side
    7,418.58x = 47,921,642.28
  5. Step 5: Solve for x
    x = 47,921,642.28/7,418.58
  6. Step 6: Final answer
    x = 6,459.68

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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.