Home / 6,971.24-9,620.50-3,946.12

Finding the Fourth Proportional to 6,971.24, 9,620.50 and 3,946.12

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Solution

The fourth proportional to 6,971.24, 9,620.50 and 3,946.12 is: 5,445.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.24 : 9,620.50 = 3,946.12 : x
  2. Step 2: Convert to fraction form
    6,971.24/9,620.50 = 3,946.12/x
  3. Step 3: Cross multiply
    6,971.24x = 9,620.50 × 3,946.12
  4. Step 4: Simplify right side
    6,971.24x = 37,963,647.46
  5. Step 5: Solve for x
    x = 37,963,647.46/6,971.24
  6. Step 6: Final answer
    x = 5,445.75

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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.