Home / 8,329.13-12,497.21-7,628.35

Finding the Fourth Proportional to 8,329.13, 12,497.21 and 7,628.35

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Solution

The fourth proportional to 8,329.13, 12,497.21 and 7,628.35 is: 11,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.13 : 12,497.21 = 7,628.35 : x
  2. Step 2: Convert to fraction form
    8,329.13/12,497.21 = 7,628.35/x
  3. Step 3: Cross multiply
    8,329.13x = 12,497.21 × 7,628.35
  4. Step 4: Simplify right side
    8,329.13x = 95,333,091.90
  5. Step 5: Solve for x
    x = 95,333,091.90/8,329.13
  6. Step 6: Final answer
    x = 11,445.74

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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.