Home / 5,560.60-8,340.90-4,005.40

Finding the Fourth Proportional to 5,560.60, 8,340.90 and 4,005.40

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Solution

The fourth proportional to 5,560.60, 8,340.90 and 4,005.40 is: 6,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.60 : 8,340.90 = 4,005.40 : x
  2. Step 2: Convert to fraction form
    5,560.60/8,340.90 = 4,005.40/x
  3. Step 3: Cross multiply
    5,560.60x = 8,340.90 × 4,005.40
  4. Step 4: Simplify right side
    5,560.60x = 33,408,640.86
  5. Step 5: Solve for x
    x = 33,408,640.86/5,560.60
  6. Step 6: Final answer
    x = 6,008.10

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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.