Home / 6,442.36-9,663.54-3,519.07

Finding the Fourth Proportional to 6,442.36, 9,663.54 and 3,519.07

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Solution

The fourth proportional to 6,442.36, 9,663.54 and 3,519.07 is: 5,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442.36 : 9,663.54 = 3,519.07 : x
  2. Step 2: Convert to fraction form
    6,442.36/9,663.54 = 3,519.07/x
  3. Step 3: Cross multiply
    6,442.36x = 9,663.54 × 3,519.07
  4. Step 4: Simplify right side
    6,442.36x = 34,006,607.79
  5. Step 5: Solve for x
    x = 34,006,607.79/6,442.36
  6. Step 6: Final answer
    x = 5,278.60

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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.