Home / 8,211.29-12,316.67-2,368.49

Finding the Fourth Proportional to 8,211.29, 12,316.67 and 2,368.49

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Solution

The fourth proportional to 8,211.29, 12,316.67 and 2,368.49 is: 3,552.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.29 : 12,316.67 = 2,368.49 : x
  2. Step 2: Convert to fraction form
    8,211.29/12,316.67 = 2,368.49/x
  3. Step 3: Cross multiply
    8,211.29x = 12,316.67 × 2,368.49
  4. Step 4: Simplify right side
    8,211.29x = 29,171,897.89
  5. Step 5: Solve for x
    x = 29,171,897.89/8,211.29
  6. Step 6: Final answer
    x = 3,552.66

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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.