Home / 5,245.16-7,869.56-2,325.51

Finding the Fourth Proportional to 5,245.16, 7,869.56 and 2,325.51

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Solution

The fourth proportional to 5,245.16, 7,869.56 and 2,325.51 is: 3,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.16 : 7,869.56 = 2,325.51 : x
  2. Step 2: Convert to fraction form
    5,245.16/7,869.56 = 2,325.51/x
  3. Step 3: Cross multiply
    5,245.16x = 7,869.56 × 2,325.51
  4. Step 4: Simplify right side
    5,245.16x = 18,300,728.85
  5. Step 5: Solve for x
    x = 18,300,728.85/5,245.16
  6. Step 6: Final answer
    x = 3,489.07

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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.