Home / 4,949.49-7,423.11-1,439.55

Finding the Fourth Proportional to 4,949.49, 7,423.11 and 1,439.55

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Solution

The fourth proportional to 4,949.49, 7,423.11 and 1,439.55 is: 2,159.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.49 : 7,423.11 = 1,439.55 : x
  2. Step 2: Convert to fraction form
    4,949.49/7,423.11 = 1,439.55/x
  3. Step 3: Cross multiply
    4,949.49x = 7,423.11 × 1,439.55
  4. Step 4: Simplify right side
    4,949.49x = 10,685,938.00
  5. Step 5: Solve for x
    x = 10,685,938.00/4,949.49
  6. Step 6: Final answer
    x = 2,159.00

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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.