Home / 4,913.55-6,780.72-2,675.46

Finding the Fourth Proportional to 4,913.55, 6,780.72 and 2,675.46

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Solution

The fourth proportional to 4,913.55, 6,780.72 and 2,675.46 is: 3,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.55 : 6,780.72 = 2,675.46 : x
  2. Step 2: Convert to fraction form
    4,913.55/6,780.72 = 2,675.46/x
  3. Step 3: Cross multiply
    4,913.55x = 6,780.72 × 2,675.46
  4. Step 4: Simplify right side
    4,913.55x = 18,141,545.13
  5. Step 5: Solve for x
    x = 18,141,545.13/4,913.55
  6. Step 6: Final answer
    x = 3,692.15

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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.