Home / 5,219.42-7,203.30-2,981.46

Finding the Fourth Proportional to 5,219.42, 7,203.30 and 2,981.46

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Solution

The fourth proportional to 5,219.42, 7,203.30 and 2,981.46 is: 4,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.42 : 7,203.30 = 2,981.46 : x
  2. Step 2: Convert to fraction form
    5,219.42/7,203.30 = 2,981.46/x
  3. Step 3: Cross multiply
    5,219.42x = 7,203.30 × 2,981.46
  4. Step 4: Simplify right side
    5,219.42x = 21,476,350.82
  5. Step 5: Solve for x
    x = 21,476,350.82/5,219.42
  6. Step 6: Final answer
    x = 4,114.70

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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.