Home / 5,280.01-7,917.78-1,582.76

Finding the Fourth Proportional to 5,280.01, 7,917.78 and 1,582.76

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Solution

The fourth proportional to 5,280.01, 7,917.78 and 1,582.76 is: 2,373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.01 : 7,917.78 = 1,582.76 : x
  2. Step 2: Convert to fraction form
    5,280.01/7,917.78 = 1,582.76/x
  3. Step 3: Cross multiply
    5,280.01x = 7,917.78 × 1,582.76
  4. Step 4: Simplify right side
    5,280.01x = 12,531,945.47
  5. Step 5: Solve for x
    x = 12,531,945.47/5,280.01
  6. Step 6: Final answer
    x = 2,373.47

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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.