Home / 5,280.77-7,289.28-3,043.53

Finding the Fourth Proportional to 5,280.77, 7,289.28 and 3,043.53

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Solution

The fourth proportional to 5,280.77, 7,289.28 and 3,043.53 is: 4,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.77 : 7,289.28 = 3,043.53 : x
  2. Step 2: Convert to fraction form
    5,280.77/7,289.28 = 3,043.53/x
  3. Step 3: Cross multiply
    5,280.77x = 7,289.28 × 3,043.53
  4. Step 4: Simplify right side
    5,280.77x = 22,185,152.97
  5. Step 5: Solve for x
    x = 22,185,152.97/5,280.77
  6. Step 6: Final answer
    x = 4,201.12

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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.