Home / 8,289.19-12,435-2,445.04

Finding the Fourth Proportional to 8,289.19, 12,435 and 2,445.04

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Solution

The fourth proportional to 8,289.19, 12,435 and 2,445.04 is: 3,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.19 : 12,435 = 2,445.04 : x
  2. Step 2: Convert to fraction form
    8,289.19/12,435 = 2,445.04/x
  3. Step 3: Cross multiply
    8,289.19x = 12,435 × 2,445.04
  4. Step 4: Simplify right side
    8,289.19x = 30,404,072.40
  5. Step 5: Solve for x
    x = 30,404,072.40/8,289.19
  6. Step 6: Final answer
    x = 3,667.92

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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.