Home / 8,618.08-11,898.66-6,625.12

Finding the Fourth Proportional to 8,618.08, 11,898.66 and 6,625.12

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Solution

The fourth proportional to 8,618.08, 11,898.66 and 6,625.12 is: 9,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618.08 : 11,898.66 = 6,625.12 : x
  2. Step 2: Convert to fraction form
    8,618.08/11,898.66 = 6,625.12/x
  3. Step 3: Cross multiply
    8,618.08x = 11,898.66 × 6,625.12
  4. Step 4: Simplify right side
    8,618.08x = 78,830,050.34
  5. Step 5: Solve for x
    x = 78,830,050.34/8,618.08
  6. Step 6: Final answer
    x = 9,147.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.