Home / 8,113.12-12,167.28-2,848

Finding the Fourth Proportional to 8,113.12, 12,167.28 and 2,848

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Solution

The fourth proportional to 8,113.12, 12,167.28 and 2,848 is: 4,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.12 : 12,167.28 = 2,848 : x
  2. Step 2: Convert to fraction form
    8,113.12/12,167.28 = 2,848/x
  3. Step 3: Cross multiply
    8,113.12x = 12,167.28 × 2,848
  4. Step 4: Simplify right side
    8,113.12x = 34,652,413.44
  5. Step 5: Solve for x
    x = 34,652,413.44/8,113.12
  6. Step 6: Final answer
    x = 4,271.16

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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.