Home / 6,543.12-9,817.20-3,258.66

Finding the Fourth Proportional to 6,543.12, 9,817.20 and 3,258.66

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Solution

The fourth proportional to 6,543.12, 9,817.20 and 3,258.66 is: 4,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.12 : 9,817.20 = 3,258.66 : x
  2. Step 2: Convert to fraction form
    6,543.12/9,817.20 = 3,258.66/x
  3. Step 3: Cross multiply
    6,543.12x = 9,817.20 × 3,258.66
  4. Step 4: Simplify right side
    6,543.12x = 31,990,916.95
  5. Step 5: Solve for x
    x = 31,990,916.95/6,543.12
  6. Step 6: Final answer
    x = 4,889.25

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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.