Home / 5,212.31-7,817.09-2,437.56

Finding the Fourth Proportional to 5,212.31, 7,817.09 and 2,437.56

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Solution

The fourth proportional to 5,212.31, 7,817.09 and 2,437.56 is: 3,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.31 : 7,817.09 = 2,437.56 : x
  2. Step 2: Convert to fraction form
    5,212.31/7,817.09 = 2,437.56/x
  3. Step 3: Cross multiply
    5,212.31x = 7,817.09 × 2,437.56
  4. Step 4: Simplify right side
    5,212.31x = 19,054,613.71
  5. Step 5: Solve for x
    x = 19,054,613.71/5,212.31
  6. Step 6: Final answer
    x = 3,655.70

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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.