Home / 6,668.16-10,001.76-2,920.32

Finding the Fourth Proportional to 6,668.16, 10,001.76 and 2,920.32

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Solution

The fourth proportional to 6,668.16, 10,001.76 and 2,920.32 is: 4,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.16 : 10,001.76 = 2,920.32 : x
  2. Step 2: Convert to fraction form
    6,668.16/10,001.76 = 2,920.32/x
  3. Step 3: Cross multiply
    6,668.16x = 10,001.76 × 2,920.32
  4. Step 4: Simplify right side
    6,668.16x = 29,208,339.76
  5. Step 5: Solve for x
    x = 29,208,339.76/6,668.16
  6. Step 6: Final answer
    x = 4,380.27

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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.