Home / 7,451.25-10,278.42-4,651.89

Finding the Fourth Proportional to 7,451.25, 10,278.42 and 4,651.89

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Solution

The fourth proportional to 7,451.25, 10,278.42 and 4,651.89 is: 6,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.25 : 10,278.42 = 4,651.89 : x
  2. Step 2: Convert to fraction form
    7,451.25/10,278.42 = 4,651.89/x
  3. Step 3: Cross multiply
    7,451.25x = 10,278.42 × 4,651.89
  4. Step 4: Simplify right side
    7,451.25x = 47,814,079.21
  5. Step 5: Solve for x
    x = 47,814,079.21/7,451.25
  6. Step 6: Final answer
    x = 6,416.92

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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.