Home / 5,979.10-8,969.62-1,818.13

Finding the Fourth Proportional to 5,979.10, 8,969.62 and 1,818.13

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Solution

The fourth proportional to 5,979.10, 8,969.62 and 1,818.13 is: 2,727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.10 : 8,969.62 = 1,818.13 : x
  2. Step 2: Convert to fraction form
    5,979.10/8,969.62 = 1,818.13/x
  3. Step 3: Cross multiply
    5,979.10x = 8,969.62 × 1,818.13
  4. Step 4: Simplify right side
    5,979.10x = 16,307,928.47
  5. Step 5: Solve for x
    x = 16,307,928.47/5,979.10
  6. Step 6: Final answer
    x = 2,727.49

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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.