Home / 6,310.13-8,708.16-3,515.81

Finding the Fourth Proportional to 6,310.13, 8,708.16 and 3,515.81

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Solution

The fourth proportional to 6,310.13, 8,708.16 and 3,515.81 is: 4,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.13 : 8,708.16 = 3,515.81 : x
  2. Step 2: Convert to fraction form
    6,310.13/8,708.16 = 3,515.81/x
  3. Step 3: Cross multiply
    6,310.13x = 8,708.16 × 3,515.81
  4. Step 4: Simplify right side
    6,310.13x = 30,616,174.89
  5. Step 5: Solve for x
    x = 30,616,174.89/6,310.13
  6. Step 6: Final answer
    x = 4,851.91

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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.