Home / 4,397.78-6,588.14-3,930.42

Finding the Fourth Proportional to 4,397.78, 6,588.14 and 3,930.42

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Solution

The fourth proportional to 4,397.78, 6,588.14 and 3,930.42 is: 5,888.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,397.78 : 6,588.14 = 3,930.42 : x
  2. Step 2: Convert to fraction form
    4,397.78/6,588.14 = 3,930.42/x
  3. Step 3: Cross multiply
    4,397.78x = 6,588.14 × 3,930.42
  4. Step 4: Simplify right side
    4,397.78x = 25,894,157.22
  5. Step 5: Solve for x
    x = 25,894,157.22/4,397.78
  6. Step 6: Final answer
    x = 5,888.01

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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.