Home / 8,528.35-11,769.96-5,173.53

Finding the Fourth Proportional to 8,528.35, 11,769.96 and 5,173.53

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Solution

The fourth proportional to 8,528.35, 11,769.96 and 5,173.53 is: 7,139.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.35 : 11,769.96 = 5,173.53 : x
  2. Step 2: Convert to fraction form
    8,528.35/11,769.96 = 5,173.53/x
  3. Step 3: Cross multiply
    8,528.35x = 11,769.96 × 5,173.53
  4. Step 4: Simplify right side
    8,528.35x = 60,892,215.29
  5. Step 5: Solve for x
    x = 60,892,215.29/8,528.35
  6. Step 6: Final answer
    x = 7,139.98

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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.