Home / 7,445.72-10,278.60-4,301.30

Finding the Fourth Proportional to 7,445.72, 10,278.60 and 4,301.30

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Solution

The fourth proportional to 7,445.72, 10,278.60 and 4,301.30 is: 5,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.72 : 10,278.60 = 4,301.30 : x
  2. Step 2: Convert to fraction form
    7,445.72/10,278.60 = 4,301.30/x
  3. Step 3: Cross multiply
    7,445.72x = 10,278.60 × 4,301.30
  4. Step 4: Simplify right side
    7,445.72x = 44,211,351.75
  5. Step 5: Solve for x
    x = 44,211,351.75/7,445.72
  6. Step 6: Final answer
    x = 5,937.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.