Home / 7,423.78-10,244.40-4,066.58

Finding the Fourth Proportional to 7,423.78, 10,244.40 and 4,066.58

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Solution

The fourth proportional to 7,423.78, 10,244.40 and 4,066.58 is: 5,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.78 : 10,244.40 = 4,066.58 : x
  2. Step 2: Convert to fraction form
    7,423.78/10,244.40 = 4,066.58/x
  3. Step 3: Cross multiply
    7,423.78x = 10,244.40 × 4,066.58
  4. Step 4: Simplify right side
    7,423.78x = 41,659,672.15
  5. Step 5: Solve for x
    x = 41,659,672.15/7,423.78
  6. Step 6: Final answer
    x = 5,611.65

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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.