Home / 4,959.13-7,438.69-1,881.13

Finding the Fourth Proportional to 4,959.13, 7,438.69 and 1,881.13

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Solution

The fourth proportional to 4,959.13, 7,438.69 and 1,881.13 is: 2,821.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.13 : 7,438.69 = 1,881.13 : x
  2. Step 2: Convert to fraction form
    4,959.13/7,438.69 = 1,881.13/x
  3. Step 3: Cross multiply
    4,959.13x = 7,438.69 × 1,881.13
  4. Step 4: Simplify right side
    4,959.13x = 13,993,142.92
  5. Step 5: Solve for x
    x = 13,993,142.92/4,959.13
  6. Step 6: Final answer
    x = 2,821.69

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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.