Home / 4,862.98-7,288.35-2,641.78

Finding the Fourth Proportional to 4,862.98, 7,288.35 and 2,641.78

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Solution

The fourth proportional to 4,862.98, 7,288.35 and 2,641.78 is: 3,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.98 : 7,288.35 = 2,641.78 : x
  2. Step 2: Convert to fraction form
    4,862.98/7,288.35 = 2,641.78/x
  3. Step 3: Cross multiply
    4,862.98x = 7,288.35 × 2,641.78
  4. Step 4: Simplify right side
    4,862.98x = 19,254,217.26
  5. Step 5: Solve for x
    x = 19,254,217.26/4,862.98
  6. Step 6: Final answer
    x = 3,959.35

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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.