Home / 8,587.18-12,880.80-3,037.60

Finding the Fourth Proportional to 8,587.18, 12,880.80 and 3,037.60

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Solution

The fourth proportional to 8,587.18, 12,880.80 and 3,037.60 is: 4,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.18 : 12,880.80 = 3,037.60 : x
  2. Step 2: Convert to fraction form
    8,587.18/12,880.80 = 3,037.60/x
  3. Step 3: Cross multiply
    8,587.18x = 12,880.80 × 3,037.60
  4. Step 4: Simplify right side
    8,587.18x = 39,126,718.08
  5. Step 5: Solve for x
    x = 39,126,718.08/8,587.18
  6. Step 6: Final answer
    x = 4,556.41

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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.