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Finding the Fourth Proportional to 7,340.60, 11,010.90 and 2,725.40

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Solution

The fourth proportional to 7,340.60, 11,010.90 and 2,725.40 is: 4,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.60 : 11,010.90 = 2,725.40 : x
  2. Step 2: Convert to fraction form
    7,340.60/11,010.90 = 2,725.40/x
  3. Step 3: Cross multiply
    7,340.60x = 11,010.90 × 2,725.40
  4. Step 4: Simplify right side
    7,340.60x = 30,009,106.86
  5. Step 5: Solve for x
    x = 30,009,106.86/7,340.60
  6. Step 6: Final answer
    x = 4,088.10

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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.