Home / 8,744.08-12,070.20-6,404.80

Finding the Fourth Proportional to 8,744.08, 12,070.20 and 6,404.80

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Solution

The fourth proportional to 8,744.08, 12,070.20 and 6,404.80 is: 8,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.08 : 12,070.20 = 6,404.80 : x
  2. Step 2: Convert to fraction form
    8,744.08/12,070.20 = 6,404.80/x
  3. Step 3: Cross multiply
    8,744.08x = 12,070.20 × 6,404.80
  4. Step 4: Simplify right side
    8,744.08x = 77,307,216.96
  5. Step 5: Solve for x
    x = 77,307,216.96/8,744.08
  6. Step 6: Final answer
    x = 8,841.09

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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.