Home / 8,621.49-11,897.49-4,844.70

Finding the Fourth Proportional to 8,621.49, 11,897.49 and 4,844.70

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Solution

The fourth proportional to 8,621.49, 11,897.49 and 4,844.70 is: 6,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.49 : 11,897.49 = 4,844.70 : x
  2. Step 2: Convert to fraction form
    8,621.49/11,897.49 = 4,844.70/x
  3. Step 3: Cross multiply
    8,621.49x = 11,897.49 × 4,844.70
  4. Step 4: Simplify right side
    8,621.49x = 57,639,769.80
  5. Step 5: Solve for x
    x = 57,639,769.80/8,621.49
  6. Step 6: Final answer
    x = 6,685.59

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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.