Home / 6,920.71-9,551.39-3,937.02

Finding the Fourth Proportional to 6,920.71, 9,551.39 and 3,937.02

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Solution

The fourth proportional to 6,920.71, 9,551.39 and 3,937.02 is: 5,433.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.71 : 9,551.39 = 3,937.02 : x
  2. Step 2: Convert to fraction form
    6,920.71/9,551.39 = 3,937.02/x
  3. Step 3: Cross multiply
    6,920.71x = 9,551.39 × 3,937.02
  4. Step 4: Simplify right side
    6,920.71x = 37,603,946.02
  5. Step 5: Solve for x
    x = 37,603,946.02/6,920.71
  6. Step 6: Final answer
    x = 5,433.54

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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.