Home / 4,742.62-6,543.79-3,175.27

Finding the Fourth Proportional to 4,742.62, 6,543.79 and 3,175.27

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Solution

The fourth proportional to 4,742.62, 6,543.79 and 3,175.27 is: 4,381.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.62 : 6,543.79 = 3,175.27 : x
  2. Step 2: Convert to fraction form
    4,742.62/6,543.79 = 3,175.27/x
  3. Step 3: Cross multiply
    4,742.62x = 6,543.79 × 3,175.27
  4. Step 4: Simplify right side
    4,742.62x = 20,778,300.07
  5. Step 5: Solve for x
    x = 20,778,300.07/4,742.62
  6. Step 6: Final answer
    x = 4,381.19

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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.