Home / 8,296.90-12,445.35-3,102.10

Finding the Fourth Proportional to 8,296.90, 12,445.35 and 3,102.10

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Solution

The fourth proportional to 8,296.90, 12,445.35 and 3,102.10 is: 4,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296.90 : 12,445.35 = 3,102.10 : x
  2. Step 2: Convert to fraction form
    8,296.90/12,445.35 = 3,102.10/x
  3. Step 3: Cross multiply
    8,296.90x = 12,445.35 × 3,102.10
  4. Step 4: Simplify right side
    8,296.90x = 38,606,720.24
  5. Step 5: Solve for x
    x = 38,606,720.24/8,296.90
  6. Step 6: Final answer
    x = 4,653.15

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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.