Home / 4,913.30-6,780.36-2,675.18

Finding the Fourth Proportional to 4,913.30, 6,780.36 and 2,675.18

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Solution

The fourth proportional to 4,913.30, 6,780.36 and 2,675.18 is: 3,691.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.30 : 6,780.36 = 2,675.18 : x
  2. Step 2: Convert to fraction form
    4,913.30/6,780.36 = 2,675.18/x
  3. Step 3: Cross multiply
    4,913.30x = 6,780.36 × 2,675.18
  4. Step 4: Simplify right side
    4,913.30x = 18,138,683.46
  5. Step 5: Solve for x
    x = 18,138,683.46/4,913.30
  6. Step 6: Final answer
    x = 3,691.75

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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.