Home / 5,930.78-8,187.75-4,438.15

Finding the Fourth Proportional to 5,930.78, 8,187.75 and 4,438.15

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Solution

The fourth proportional to 5,930.78, 8,187.75 and 4,438.15 is: 6,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,930.78 : 8,187.75 = 4,438.15 : x
  2. Step 2: Convert to fraction form
    5,930.78/8,187.75 = 4,438.15/x
  3. Step 3: Cross multiply
    5,930.78x = 8,187.75 × 4,438.15
  4. Step 4: Simplify right side
    5,930.78x = 36,338,442.19
  5. Step 5: Solve for x
    x = 36,338,442.19/5,930.78
  6. Step 6: Final answer
    x = 6,127.10

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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.