Home / 5,280.24-7,909.76-2,509.58

Finding the Fourth Proportional to 5,280.24, 7,909.76 and 2,509.58

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Solution

The fourth proportional to 5,280.24, 7,909.76 and 2,509.58 is: 3,759.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.24 : 7,909.76 = 2,509.58 : x
  2. Step 2: Convert to fraction form
    5,280.24/7,909.76 = 2,509.58/x
  3. Step 3: Cross multiply
    5,280.24x = 7,909.76 × 2,509.58
  4. Step 4: Simplify right side
    5,280.24x = 19,850,205.08
  5. Step 5: Solve for x
    x = 19,850,205.08/5,280.24
  6. Step 6: Final answer
    x = 3,759.34

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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.