Home / 7,487.08-11,230.86-2,869

Finding the Fourth Proportional to 7,487.08, 11,230.86 and 2,869

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Solution

The fourth proportional to 7,487.08, 11,230.86 and 2,869 is: 4,303.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.08 : 11,230.86 = 2,869 : x
  2. Step 2: Convert to fraction form
    7,487.08/11,230.86 = 2,869/x
  3. Step 3: Cross multiply
    7,487.08x = 11,230.86 × 2,869
  4. Step 4: Simplify right side
    7,487.08x = 32,221,337.34
  5. Step 5: Solve for x
    x = 32,221,337.34/7,487.08
  6. Step 6: Final answer
    x = 4,303.59

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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.