Home / 8,880.03-12,246.98-6,647.18

Finding the Fourth Proportional to 8,880.03, 12,246.98 and 6,647.18

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Solution

The fourth proportional to 8,880.03, 12,246.98 and 6,647.18 is: 9,167.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.03 : 12,246.98 = 6,647.18 : x
  2. Step 2: Convert to fraction form
    8,880.03/12,246.98 = 6,647.18/x
  3. Step 3: Cross multiply
    8,880.03x = 12,246.98 × 6,647.18
  4. Step 4: Simplify right side
    8,880.03x = 81,407,786.05
  5. Step 5: Solve for x
    x = 81,407,786.05/8,880.03
  6. Step 6: Final answer
    x = 9,167.51

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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.