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Finding the Fourth Proportional to 8,888.49, 13,332.80 and 3,343.09

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Solution

The fourth proportional to 8,888.49, 13,332.80 and 3,343.09 is: 5,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.49 : 13,332.80 = 3,343.09 : x
  2. Step 2: Convert to fraction form
    8,888.49/13,332.80 = 3,343.09/x
  3. Step 3: Cross multiply
    8,888.49x = 13,332.80 × 3,343.09
  4. Step 4: Simplify right side
    8,888.49x = 44,572,750.35
  5. Step 5: Solve for x
    x = 44,572,750.35/8,888.49
  6. Step 6: Final answer
    x = 5,014.66

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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.