Home / 5,280.24-7,285.64-3,042.08

Finding the Fourth Proportional to 5,280.24, 7,285.64 and 3,042.08

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Solution

The fourth proportional to 5,280.24, 7,285.64 and 3,042.08 is: 4,197.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.24 : 7,285.64 = 3,042.08 : x
  2. Step 2: Convert to fraction form
    5,280.24/7,285.64 = 3,042.08/x
  3. Step 3: Cross multiply
    5,280.24x = 7,285.64 × 3,042.08
  4. Step 4: Simplify right side
    5,280.24x = 22,163,499.73
  5. Step 5: Solve for x
    x = 22,163,499.73/5,280.24
  6. Step 6: Final answer
    x = 4,197.44

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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.