Home / 7,437.96-11,156.90-2,820.96

Finding the Fourth Proportional to 7,437.96, 11,156.90 and 2,820.96

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Solution

The fourth proportional to 7,437.96, 11,156.90 and 2,820.96 is: 4,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.96 : 11,156.90 = 2,820.96 : x
  2. Step 2: Convert to fraction form
    7,437.96/11,156.90 = 2,820.96/x
  3. Step 3: Cross multiply
    7,437.96x = 11,156.90 × 2,820.96
  4. Step 4: Simplify right side
    7,437.96x = 31,473,154.52
  5. Step 5: Solve for x
    x = 31,473,154.52/7,437.96
  6. Step 6: Final answer
    x = 4,231.42

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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.