Home / 7,514.28-10,369.65-4,490.78

Finding the Fourth Proportional to 7,514.28, 10,369.65 and 4,490.78

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Solution

The fourth proportional to 7,514.28, 10,369.65 and 4,490.78 is: 6,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.28 : 10,369.65 = 4,490.78 : x
  2. Step 2: Convert to fraction form
    7,514.28/10,369.65 = 4,490.78/x
  3. Step 3: Cross multiply
    7,514.28x = 10,369.65 × 4,490.78
  4. Step 4: Simplify right side
    7,514.28x = 46,567,842.75
  5. Step 5: Solve for x
    x = 46,567,842.75/7,514.28
  6. Step 6: Final answer
    x = 6,197.25

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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.