Home / 8,430.76-12,648.30-3,237.04

Finding the Fourth Proportional to 8,430.76, 12,648.30 and 3,237.04

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Solution

The fourth proportional to 8,430.76, 12,648.30 and 3,237.04 is: 4,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.76 : 12,648.30 = 3,237.04 : x
  2. Step 2: Convert to fraction form
    8,430.76/12,648.30 = 3,237.04/x
  3. Step 3: Cross multiply
    8,430.76x = 12,648.30 × 3,237.04
  4. Step 4: Simplify right side
    8,430.76x = 40,943,053.03
  5. Step 5: Solve for x
    x = 40,943,053.03/8,430.76
  6. Step 6: Final answer
    x = 4,856.39

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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.