Home / 5,110.60-7,665.90-3,555.40

Finding the Fourth Proportional to 5,110.60, 7,665.90 and 3,555.40

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Solution

The fourth proportional to 5,110.60, 7,665.90 and 3,555.40 is: 5,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.60 : 7,665.90 = 3,555.40 : x
  2. Step 2: Convert to fraction form
    5,110.60/7,665.90 = 3,555.40/x
  3. Step 3: Cross multiply
    5,110.60x = 7,665.90 × 3,555.40
  4. Step 4: Simplify right side
    5,110.60x = 27,255,340.86
  5. Step 5: Solve for x
    x = 27,255,340.86/5,110.60
  6. Step 6: Final answer
    x = 5,333.10

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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.