Home / 7,514.72-10,364.68-6,664.97

Finding the Fourth Proportional to 7,514.72, 10,364.68 and 6,664.97

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Solution

The fourth proportional to 7,514.72, 10,364.68 and 6,664.97 is: 9,192.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.72 : 10,364.68 = 6,664.97 : x
  2. Step 2: Convert to fraction form
    7,514.72/10,364.68 = 6,664.97/x
  3. Step 3: Cross multiply
    7,514.72x = 10,364.68 × 6,664.97
  4. Step 4: Simplify right side
    7,514.72x = 69,080,281.26
  5. Step 5: Solve for x
    x = 69,080,281.26/7,514.72
  6. Step 6: Final answer
    x = 9,192.66

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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.