Home / 8,447.19-12,666.93-3,513.89

Finding the Fourth Proportional to 8,447.19, 12,666.93 and 3,513.89

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Solution

The fourth proportional to 8,447.19, 12,666.93 and 3,513.89 is: 5,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.19 : 12,666.93 = 3,513.89 : x
  2. Step 2: Convert to fraction form
    8,447.19/12,666.93 = 3,513.89/x
  3. Step 3: Cross multiply
    8,447.19x = 12,666.93 × 3,513.89
  4. Step 4: Simplify right side
    8,447.19x = 44,510,135.32
  5. Step 5: Solve for x
    x = 44,510,135.32/8,447.19
  6. Step 6: Final answer
    x = 5,269.22

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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.