Home / 5,138.84-7,095.57-3,347.17

Finding the Fourth Proportional to 5,138.84, 7,095.57 and 3,347.17

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Solution

The fourth proportional to 5,138.84, 7,095.57 and 3,347.17 is: 4,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138.84 : 7,095.57 = 3,347.17 : x
  2. Step 2: Convert to fraction form
    5,138.84/7,095.57 = 3,347.17/x
  3. Step 3: Cross multiply
    5,138.84x = 7,095.57 × 3,347.17
  4. Step 4: Simplify right side
    5,138.84x = 23,750,061.30
  5. Step 5: Solve for x
    x = 23,750,061.30/5,138.84
  6. Step 6: Final answer
    x = 4,621.68

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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.