Home / 4,781.79-7,175.52-2,590.47

Finding the Fourth Proportional to 4,781.79, 7,175.52 and 2,590.47

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Solution

The fourth proportional to 4,781.79, 7,175.52 and 2,590.47 is: 3,887.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.79 : 7,175.52 = 2,590.47 : x
  2. Step 2: Convert to fraction form
    4,781.79/7,175.52 = 2,590.47/x
  3. Step 3: Cross multiply
    4,781.79x = 7,175.52 × 2,590.47
  4. Step 4: Simplify right side
    4,781.79x = 18,587,969.29
  5. Step 5: Solve for x
    x = 18,587,969.29/4,781.79
  6. Step 6: Final answer
    x = 3,887.24

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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.