Home / 8,766.10-13,149.15-5,485.60

Finding the Fourth Proportional to 8,766.10, 13,149.15 and 5,485.60

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Solution

The fourth proportional to 8,766.10, 13,149.15 and 5,485.60 is: 8,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.10 : 13,149.15 = 5,485.60 : x
  2. Step 2: Convert to fraction form
    8,766.10/13,149.15 = 5,485.60/x
  3. Step 3: Cross multiply
    8,766.10x = 13,149.15 × 5,485.60
  4. Step 4: Simplify right side
    8,766.10x = 72,130,977.24
  5. Step 5: Solve for x
    x = 72,130,977.24/8,766.10
  6. Step 6: Final answer
    x = 8,228.40

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Similar ratio
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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.