Home / 8,949.63-12,350.60-4,971.11

Finding the Fourth Proportional to 8,949.63, 12,350.60 and 4,971.11

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Solution

The fourth proportional to 8,949.63, 12,350.60 and 4,971.11 is: 6,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.63 : 12,350.60 = 4,971.11 : x
  2. Step 2: Convert to fraction form
    8,949.63/12,350.60 = 4,971.11/x
  3. Step 3: Cross multiply
    8,949.63x = 12,350.60 × 4,971.11
  4. Step 4: Simplify right side
    8,949.63x = 61,396,215.83
  5. Step 5: Solve for x
    x = 61,396,215.83/8,949.63
  6. Step 6: Final answer
    x = 6,860.20

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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.