Home / 5,247-7,865.10-2,475.18

Finding the Fourth Proportional to 5,247, 7,865.10 and 2,475.18

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Solution

The fourth proportional to 5,247, 7,865.10 and 2,475.18 is: 3,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247 : 7,865.10 = 2,475.18 : x
  2. Step 2: Convert to fraction form
    5,247/7,865.10 = 2,475.18/x
  3. Step 3: Cross multiply
    5,247x = 7,865.10 × 2,475.18
  4. Step 4: Simplify right side
    5,247x = 19,467,538.22
  5. Step 5: Solve for x
    x = 19,467,538.22/5,247
  6. Step 6: Final answer
    x = 3,710.22

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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.