Home / 5,132.63-7,083.04-2,774.78

Finding the Fourth Proportional to 5,132.63, 7,083.04 and 2,774.78

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Solution

The fourth proportional to 5,132.63, 7,083.04 and 2,774.78 is: 3,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.63 : 7,083.04 = 2,774.78 : x
  2. Step 2: Convert to fraction form
    5,132.63/7,083.04 = 2,774.78/x
  3. Step 3: Cross multiply
    5,132.63x = 7,083.04 × 2,774.78
  4. Step 4: Simplify right side
    5,132.63x = 19,653,842.32
  5. Step 5: Solve for x
    x = 19,653,842.32/5,132.63
  6. Step 6: Final answer
    x = 3,829.20

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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.