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Finding the Fourth Proportional to 5,929.60, 8,894.40 and 2,649.10

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Solution

The fourth proportional to 5,929.60, 8,894.40 and 2,649.10 is: 3,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.60 : 8,894.40 = 2,649.10 : x
  2. Step 2: Convert to fraction form
    5,929.60/8,894.40 = 2,649.10/x
  3. Step 3: Cross multiply
    5,929.60x = 8,894.40 × 2,649.10
  4. Step 4: Simplify right side
    5,929.60x = 23,562,155.04
  5. Step 5: Solve for x
    x = 23,562,155.04/5,929.60
  6. Step 6: Final answer
    x = 3,973.65

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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.