Home / 8,377.12-12,567.53-2,830.34

Finding the Fourth Proportional to 8,377.12, 12,567.53 and 2,830.34

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Solution

The fourth proportional to 8,377.12, 12,567.53 and 2,830.34 is: 4,246.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.12 : 12,567.53 = 2,830.34 : x
  2. Step 2: Convert to fraction form
    8,377.12/12,567.53 = 2,830.34/x
  3. Step 3: Cross multiply
    8,377.12x = 12,567.53 × 2,830.34
  4. Step 4: Simplify right side
    8,377.12x = 35,570,413.39
  5. Step 5: Solve for x
    x = 35,570,413.39/8,377.12
  6. Step 6: Final answer
    x = 4,246.14

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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.