Home / 5,514.86-7,610.49-3,156.99

Finding the Fourth Proportional to 5,514.86, 7,610.49 and 3,156.99

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Solution

The fourth proportional to 5,514.86, 7,610.49 and 3,156.99 is: 4,356.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.86 : 7,610.49 = 3,156.99 : x
  2. Step 2: Convert to fraction form
    5,514.86/7,610.49 = 3,156.99/x
  3. Step 3: Cross multiply
    5,514.86x = 7,610.49 × 3,156.99
  4. Step 4: Simplify right side
    5,514.86x = 24,026,240.83
  5. Step 5: Solve for x
    x = 24,026,240.83/5,514.86
  6. Step 6: Final answer
    x = 4,356.64

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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.