Home / 8,868.30-13,302.48-4,186.80

Finding the Fourth Proportional to 8,868.30, 13,302.48 and 4,186.80

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Solution

The fourth proportional to 8,868.30, 13,302.48 and 4,186.80 is: 6,280.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.30 : 13,302.48 = 4,186.80 : x
  2. Step 2: Convert to fraction form
    8,868.30/13,302.48 = 4,186.80/x
  3. Step 3: Cross multiply
    8,868.30x = 13,302.48 × 4,186.80
  4. Step 4: Simplify right side
    8,868.30x = 55,694,823.26
  5. Step 5: Solve for x
    x = 55,694,823.26/8,868.30
  6. Step 6: Final answer
    x = 6,280.21

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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.