Home / 5,151.58-7,721.28-3,298.70

Finding the Fourth Proportional to 5,151.58, 7,721.28 and 3,298.70

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Solution

The fourth proportional to 5,151.58, 7,721.28 and 3,298.70 is: 4,944.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.58 : 7,721.28 = 3,298.70 : x
  2. Step 2: Convert to fraction form
    5,151.58/7,721.28 = 3,298.70/x
  3. Step 3: Cross multiply
    5,151.58x = 7,721.28 × 3,298.70
  4. Step 4: Simplify right side
    5,151.58x = 25,470,186.34
  5. Step 5: Solve for x
    x = 25,470,186.34/5,151.58
  6. Step 6: Final answer
    x = 4,944.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.