Home / 6,668.15-9,995.31-2,972.12

Finding the Fourth Proportional to 6,668.15, 9,995.31 and 2,972.12

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Solution

The fourth proportional to 6,668.15, 9,995.31 and 2,972.12 is: 4,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.15 : 9,995.31 = 2,972.12 : x
  2. Step 2: Convert to fraction form
    6,668.15/9,995.31 = 2,972.12/x
  3. Step 3: Cross multiply
    6,668.15x = 9,995.31 × 2,972.12
  4. Step 4: Simplify right side
    6,668.15x = 29,707,260.76
  5. Step 5: Solve for x
    x = 29,707,260.76/6,668.15
  6. Step 6: Final answer
    x = 4,455.10

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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.