Home / 10,388.16-15,575.40-4,838.52

Finding the Fourth Proportional to 10,388.16, 15,575.40 and 4,838.52

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Solution

The fourth proportional to 10,388.16, 15,575.40 and 4,838.52 is: 7,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.16 : 15,575.40 = 4,838.52 : x
  2. Step 2: Convert to fraction form
    10,388.16/15,575.40 = 4,838.52/x
  3. Step 3: Cross multiply
    10,388.16x = 15,575.40 × 4,838.52
  4. Step 4: Simplify right side
    10,388.16x = 75,361,884.41
  5. Step 5: Solve for x
    x = 75,361,884.41/10,388.16
  6. Step 6: Final answer
    x = 7,254.59

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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.