Home / 8,869.09-12,239.29-4,836.13

Finding the Fourth Proportional to 8,869.09, 12,239.29 and 4,836.13

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Solution

The fourth proportional to 8,869.09, 12,239.29 and 4,836.13 is: 6,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.09 : 12,239.29 = 4,836.13 : x
  2. Step 2: Convert to fraction form
    8,869.09/12,239.29 = 4,836.13/x
  3. Step 3: Cross multiply
    8,869.09x = 12,239.29 × 4,836.13
  4. Step 4: Simplify right side
    8,869.09x = 59,190,809.64
  5. Step 5: Solve for x
    x = 59,190,809.64/8,869.09
  6. Step 6: Final answer
    x = 6,673.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.