Home / 5,039.12-7,524.70-4,116.47

Finding the Fourth Proportional to 5,039.12, 7,524.70 and 4,116.47

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Solution

The fourth proportional to 5,039.12, 7,524.70 and 4,116.47 is: 6,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.12 : 7,524.70 = 4,116.47 : x
  2. Step 2: Convert to fraction form
    5,039.12/7,524.70 = 4,116.47/x
  3. Step 3: Cross multiply
    5,039.12x = 7,524.70 × 4,116.47
  4. Step 4: Simplify right side
    5,039.12x = 30,975,201.81
  5. Step 5: Solve for x
    x = 30,975,201.81/5,039.12
  6. Step 6: Final answer
    x = 6,146.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.