Home / 6,717.85-10,031.15-5,315.44

Finding the Fourth Proportional to 6,717.85, 10,031.15 and 5,315.44

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Solution

The fourth proportional to 6,717.85, 10,031.15 and 5,315.44 is: 7,937.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.85 : 10,031.15 = 5,315.44 : x
  2. Step 2: Convert to fraction form
    6,717.85/10,031.15 = 5,315.44/x
  3. Step 3: Cross multiply
    6,717.85x = 10,031.15 × 5,315.44
  4. Step 4: Simplify right side
    6,717.85x = 53,319,948.13
  5. Step 5: Solve for x
    x = 53,319,948.13/6,717.85
  6. Step 6: Final answer
    x = 7,937.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.