Home / 10,245.60-15,366.30-2,848.20

Finding the Fourth Proportional to 10,245.60, 15,366.30 and 2,848.20

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Solution

The fourth proportional to 10,245.60, 15,366.30 and 2,848.20 is: 4,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.60 : 15,366.30 = 2,848.20 : x
  2. Step 2: Convert to fraction form
    10,245.60/15,366.30 = 2,848.20/x
  3. Step 3: Cross multiply
    10,245.60x = 15,366.30 × 2,848.20
  4. Step 4: Simplify right side
    10,245.60x = 43,766,295.66
  5. Step 5: Solve for x
    x = 43,766,295.66/10,245.60
  6. Step 6: Final answer
    x = 4,271.72

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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.