Home / 5,280.06-7,923.64-2,816.58

Finding the Fourth Proportional to 5,280.06, 7,923.64 and 2,816.58

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Solution

The fourth proportional to 5,280.06, 7,923.64 and 2,816.58 is: 4,226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.06 : 7,923.64 = 2,816.58 : x
  2. Step 2: Convert to fraction form
    5,280.06/7,923.64 = 2,816.58/x
  3. Step 3: Cross multiply
    5,280.06x = 7,923.64 × 2,816.58
  4. Step 4: Simplify right side
    5,280.06x = 22,317,565.95
  5. Step 5: Solve for x
    x = 22,317,565.95/5,280.06
  6. Step 6: Final answer
    x = 4,226.76

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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.