Home / 7,869.12-11,805.60-4,175.04

Finding the Fourth Proportional to 7,869.12, 11,805.60 and 4,175.04

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Solution

The fourth proportional to 7,869.12, 11,805.60 and 4,175.04 is: 6,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.12 : 11,805.60 = 4,175.04 : x
  2. Step 2: Convert to fraction form
    7,869.12/11,805.60 = 4,175.04/x
  3. Step 3: Cross multiply
    7,869.12x = 11,805.60 × 4,175.04
  4. Step 4: Simplify right side
    7,869.12x = 49,288,852.22
  5. Step 5: Solve for x
    x = 49,288,852.22/7,869.12
  6. Step 6: Final answer
    x = 6,263.58

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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.