Home / 7,868.64-11,770.08-5,528.48

Finding the Fourth Proportional to 7,868.64, 11,770.08 and 5,528.48

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Solution

The fourth proportional to 7,868.64, 11,770.08 and 5,528.48 is: 8,269.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.64 : 11,770.08 = 5,528.48 : x
  2. Step 2: Convert to fraction form
    7,868.64/11,770.08 = 5,528.48/x
  3. Step 3: Cross multiply
    7,868.64x = 11,770.08 × 5,528.48
  4. Step 4: Simplify right side
    7,868.64x = 65,070,651.88
  5. Step 5: Solve for x
    x = 65,070,651.88/7,868.64
  6. Step 6: Final answer
    x = 8,269.62

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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.