Home / 8,437.03-12,657.13-4,222.53

Finding the Fourth Proportional to 8,437.03, 12,657.13 and 4,222.53

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Solution

The fourth proportional to 8,437.03, 12,657.13 and 4,222.53 is: 6,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.03 : 12,657.13 = 4,222.53 : x
  2. Step 2: Convert to fraction form
    8,437.03/12,657.13 = 4,222.53/x
  3. Step 3: Cross multiply
    8,437.03x = 12,657.13 × 4,222.53
  4. Step 4: Simplify right side
    8,437.03x = 53,445,100.58
  5. Step 5: Solve for x
    x = 53,445,100.58/8,437.03
  6. Step 6: Final answer
    x = 6,334.59

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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.