Home / 8,419.08-12,628.74-2,577.24

Finding the Fourth Proportional to 8,419.08, 12,628.74 and 2,577.24

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Solution

The fourth proportional to 8,419.08, 12,628.74 and 2,577.24 is: 3,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.08 : 12,628.74 = 2,577.24 : x
  2. Step 2: Convert to fraction form
    8,419.08/12,628.74 = 2,577.24/x
  3. Step 3: Cross multiply
    8,419.08x = 12,628.74 × 2,577.24
  4. Step 4: Simplify right side
    8,419.08x = 32,547,293.88
  5. Step 5: Solve for x
    x = 32,547,293.88/8,419.08
  6. Step 6: Final answer
    x = 3,865.90

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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.