Home / 4,972.90-6,862.80-2,734.96

Finding the Fourth Proportional to 4,972.90, 6,862.80 and 2,734.96

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Solution

The fourth proportional to 4,972.90, 6,862.80 and 2,734.96 is: 3,774.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.90 : 6,862.80 = 2,734.96 : x
  2. Step 2: Convert to fraction form
    4,972.90/6,862.80 = 2,734.96/x
  3. Step 3: Cross multiply
    4,972.90x = 6,862.80 × 2,734.96
  4. Step 4: Simplify right side
    4,972.90x = 18,769,483.49
  5. Step 5: Solve for x
    x = 18,769,483.49/4,972.90
  6. Step 6: Final answer
    x = 3,774.35

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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.