Home / 5,182.58-7,151.15-2,913.47

Finding the Fourth Proportional to 5,182.58, 7,151.15 and 2,913.47

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Solution

The fourth proportional to 5,182.58, 7,151.15 and 2,913.47 is: 4,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.58 : 7,151.15 = 2,913.47 : x
  2. Step 2: Convert to fraction form
    5,182.58/7,151.15 = 2,913.47/x
  3. Step 3: Cross multiply
    5,182.58x = 7,151.15 × 2,913.47
  4. Step 4: Simplify right side
    5,182.58x = 20,834,660.99
  5. Step 5: Solve for x
    x = 20,834,660.99/5,182.58
  6. Step 6: Final answer
    x = 4,020.13

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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.