Home / 5,514.68-7,610.65-3,124.64

Finding the Fourth Proportional to 5,514.68, 7,610.65 and 3,124.64

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Solution

The fourth proportional to 5,514.68, 7,610.65 and 3,124.64 is: 4,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.68 : 7,610.65 = 3,124.64 : x
  2. Step 2: Convert to fraction form
    5,514.68/7,610.65 = 3,124.64/x
  3. Step 3: Cross multiply
    5,514.68x = 7,610.65 × 3,124.64
  4. Step 4: Simplify right side
    5,514.68x = 23,780,495.55
  5. Step 5: Solve for x
    x = 23,780,495.55/5,514.68
  6. Step 6: Final answer
    x = 4,312.21

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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.