Home / 4,117.13-6,175.04-1,343.78

Finding the Fourth Proportional to 4,117.13, 6,175.04 and 1,343.78

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Solution

The fourth proportional to 4,117.13, 6,175.04 and 1,343.78 is: 2,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.13 : 6,175.04 = 1,343.78 : x
  2. Step 2: Convert to fraction form
    4,117.13/6,175.04 = 1,343.78/x
  3. Step 3: Cross multiply
    4,117.13x = 6,175.04 × 1,343.78
  4. Step 4: Simplify right side
    4,117.13x = 8,297,888.53
  5. Step 5: Solve for x
    x = 8,297,888.53/4,117.13
  6. Step 6: Final answer
    x = 2,015.46

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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.