Home / 8,320.41-12,486.95-3,060.40

Finding the Fourth Proportional to 8,320.41, 12,486.95 and 3,060.40

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Solution

The fourth proportional to 8,320.41, 12,486.95 and 3,060.40 is: 4,592.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.41 : 12,486.95 = 3,060.40 : x
  2. Step 2: Convert to fraction form
    8,320.41/12,486.95 = 3,060.40/x
  3. Step 3: Cross multiply
    8,320.41x = 12,486.95 × 3,060.40
  4. Step 4: Simplify right side
    8,320.41x = 38,215,061.78
  5. Step 5: Solve for x
    x = 38,215,061.78/8,320.41
  6. Step 6: Final answer
    x = 4,592.93

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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.