Home / 7,256.60-10,876.80-4,138.10

Finding the Fourth Proportional to 7,256.60, 10,876.80 and 4,138.10

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Solution

The fourth proportional to 7,256.60, 10,876.80 and 4,138.10 is: 6,202.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256.60 : 10,876.80 = 4,138.10 : x
  2. Step 2: Convert to fraction form
    7,256.60/10,876.80 = 4,138.10/x
  3. Step 3: Cross multiply
    7,256.60x = 10,876.80 × 4,138.10
  4. Step 4: Simplify right side
    7,256.60x = 45,009,286.08
  5. Step 5: Solve for x
    x = 45,009,286.08/7,256.60
  6. Step 6: Final answer
    x = 6,202.53

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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.