Home / 7,971.18-11,001.58-4,613.42

Finding the Fourth Proportional to 7,971.18, 11,001.58 and 4,613.42

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Solution

The fourth proportional to 7,971.18, 11,001.58 and 4,613.42 is: 6,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.18 : 11,001.58 = 4,613.42 : x
  2. Step 2: Convert to fraction form
    7,971.18/11,001.58 = 4,613.42/x
  3. Step 3: Cross multiply
    7,971.18x = 11,001.58 × 4,613.42
  4. Step 4: Simplify right side
    7,971.18x = 50,754,909.20
  5. Step 5: Solve for x
    x = 50,754,909.20/7,971.18
  6. Step 6: Final answer
    x = 6,367.30

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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.