Home / 4,947.55-7,421.63-2,175.53

Finding the Fourth Proportional to 4,947.55, 7,421.63 and 2,175.53

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Solution

The fourth proportional to 4,947.55, 7,421.63 and 2,175.53 is: 3,263.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.55 : 7,421.63 = 2,175.53 : x
  2. Step 2: Convert to fraction form
    4,947.55/7,421.63 = 2,175.53/x
  3. Step 3: Cross multiply
    4,947.55x = 7,421.63 × 2,175.53
  4. Step 4: Simplify right side
    4,947.55x = 16,145,930.73
  5. Step 5: Solve for x
    x = 16,145,930.73/4,947.55
  6. Step 6: Final answer
    x = 3,263.42

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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.