Home / 5,031.82-7,539.60-3,078.10

Finding the Fourth Proportional to 5,031.82, 7,539.60 and 3,078.10

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Solution

The fourth proportional to 5,031.82, 7,539.60 and 3,078.10 is: 4,612.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.82 : 7,539.60 = 3,078.10 : x
  2. Step 2: Convert to fraction form
    5,031.82/7,539.60 = 3,078.10/x
  3. Step 3: Cross multiply
    5,031.82x = 7,539.60 × 3,078.10
  4. Step 4: Simplify right side
    5,031.82x = 23,207,642.76
  5. Step 5: Solve for x
    x = 23,207,642.76/5,031.82
  6. Step 6: Final answer
    x = 4,612.18

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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.