Home / 5,254.08-7,880.02-2,479.56

Finding the Fourth Proportional to 5,254.08, 7,880.02 and 2,479.56

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Solution

The fourth proportional to 5,254.08, 7,880.02 and 2,479.56 is: 3,718.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.08 : 7,880.02 = 2,479.56 : x
  2. Step 2: Convert to fraction form
    5,254.08/7,880.02 = 2,479.56/x
  3. Step 3: Cross multiply
    5,254.08x = 7,880.02 × 2,479.56
  4. Step 4: Simplify right side
    5,254.08x = 19,538,982.39
  5. Step 5: Solve for x
    x = 19,538,982.39/5,254.08
  6. Step 6: Final answer
    x = 3,718.82

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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.