Home / 5,224.59-7,836.75-1,275.84

Finding the Fourth Proportional to 5,224.59, 7,836.75 and 1,275.84

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Solution

The fourth proportional to 5,224.59, 7,836.75 and 1,275.84 is: 1,913.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.59 : 7,836.75 = 1,275.84 : x
  2. Step 2: Convert to fraction form
    5,224.59/7,836.75 = 1,275.84/x
  3. Step 3: Cross multiply
    5,224.59x = 7,836.75 × 1,275.84
  4. Step 4: Simplify right side
    5,224.59x = 9,998,439.12
  5. Step 5: Solve for x
    x = 9,998,439.12/5,224.59
  6. Step 6: Final answer
    x = 1,913.73

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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.