Home / 5,434.49-8,138.68-2,963.18

Finding the Fourth Proportional to 5,434.49, 8,138.68 and 2,963.18

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Solution

The fourth proportional to 5,434.49, 8,138.68 and 2,963.18 is: 4,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.49 : 8,138.68 = 2,963.18 : x
  2. Step 2: Convert to fraction form
    5,434.49/8,138.68 = 2,963.18/x
  3. Step 3: Cross multiply
    5,434.49x = 8,138.68 × 2,963.18
  4. Step 4: Simplify right side
    5,434.49x = 24,116,386.74
  5. Step 5: Solve for x
    x = 24,116,386.74/5,434.49
  6. Step 6: Final answer
    x = 4,437.65

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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.