Home / 4,925.12-7,387.60-1,415.44

Finding the Fourth Proportional to 4,925.12, 7,387.60 and 1,415.44

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Solution

The fourth proportional to 4,925.12, 7,387.60 and 1,415.44 is: 2,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925.12 : 7,387.60 = 1,415.44 : x
  2. Step 2: Convert to fraction form
    4,925.12/7,387.60 = 1,415.44/x
  3. Step 3: Cross multiply
    4,925.12x = 7,387.60 × 1,415.44
  4. Step 4: Simplify right side
    4,925.12x = 10,456,704.54
  5. Step 5: Solve for x
    x = 10,456,704.54/4,925.12
  6. Step 6: Final answer
    x = 2,123.14

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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.