Home / 4,442.07-6,665.76-3,988.25

Finding the Fourth Proportional to 4,442.07, 6,665.76 and 3,988.25

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Solution

The fourth proportional to 4,442.07, 6,665.76 and 3,988.25 is: 5,984.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.07 : 6,665.76 = 3,988.25 : x
  2. Step 2: Convert to fraction form
    4,442.07/6,665.76 = 3,988.25/x
  3. Step 3: Cross multiply
    4,442.07x = 6,665.76 × 3,988.25
  4. Step 4: Simplify right side
    4,442.07x = 26,584,683.99
  5. Step 5: Solve for x
    x = 26,584,683.99/4,442.07
  6. Step 6: Final answer
    x = 5,984.75

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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.