Home / 5,275.55-7,280.27-3,037.39

Finding the Fourth Proportional to 5,275.55, 7,280.27 and 3,037.39

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Solution

The fourth proportional to 5,275.55, 7,280.27 and 3,037.39 is: 4,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.55 : 7,280.27 = 3,037.39 : x
  2. Step 2: Convert to fraction form
    5,275.55/7,280.27 = 3,037.39/x
  3. Step 3: Cross multiply
    5,275.55x = 7,280.27 × 3,037.39
  4. Step 4: Simplify right side
    5,275.55x = 22,113,019.30
  5. Step 5: Solve for x
    x = 22,113,019.30/5,275.55
  6. Step 6: Final answer
    x = 4,191.60

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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.