Home / 7,514.20-10,369.80-4,157.20

Finding the Fourth Proportional to 7,514.20, 10,369.80 and 4,157.20

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Solution

The fourth proportional to 7,514.20, 10,369.80 and 4,157.20 is: 5,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.20 : 10,369.80 = 4,157.20 : x
  2. Step 2: Convert to fraction form
    7,514.20/10,369.80 = 4,157.20/x
  3. Step 3: Cross multiply
    7,514.20x = 10,369.80 × 4,157.20
  4. Step 4: Simplify right side
    7,514.20x = 43,109,332.56
  5. Step 5: Solve for x
    x = 43,109,332.56/7,514.20
  6. Step 6: Final answer
    x = 5,737.05

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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.