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Finding the Fourth Proportional to 6,679.34, 10,018.74 and 1,748.87

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Solution

The fourth proportional to 6,679.34, 10,018.74 and 1,748.87 is: 2,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.34 : 10,018.74 = 1,748.87 : x
  2. Step 2: Convert to fraction form
    6,679.34/10,018.74 = 1,748.87/x
  3. Step 3: Cross multiply
    6,679.34x = 10,018.74 × 1,748.87
  4. Step 4: Simplify right side
    6,679.34x = 17,521,514.38
  5. Step 5: Solve for x
    x = 17,521,514.38/6,679.34
  6. Step 6: Final answer
    x = 2,623.24

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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.