Home / 8,207.10-12,294.45-4,910.40

Finding the Fourth Proportional to 8,207.10, 12,294.45 and 4,910.40

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Solution

The fourth proportional to 8,207.10, 12,294.45 and 4,910.40 is: 7,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.10 : 12,294.45 = 4,910.40 : x
  2. Step 2: Convert to fraction form
    8,207.10/12,294.45 = 4,910.40/x
  3. Step 3: Cross multiply
    8,207.10x = 12,294.45 × 4,910.40
  4. Step 4: Simplify right side
    8,207.10x = 60,370,667.28
  5. Step 5: Solve for x
    x = 60,370,667.28/8,207.10
  6. Step 6: Final answer
    x = 7,355.91

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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.