Home / 5,488.83-8,233.38-1,979.10

Finding the Fourth Proportional to 5,488.83, 8,233.38 and 1,979.10

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Solution

The fourth proportional to 5,488.83, 8,233.38 and 1,979.10 is: 2,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.83 : 8,233.38 = 1,979.10 : x
  2. Step 2: Convert to fraction form
    5,488.83/8,233.38 = 1,979.10/x
  3. Step 3: Cross multiply
    5,488.83x = 8,233.38 × 1,979.10
  4. Step 4: Simplify right side
    5,488.83x = 16,294,682.36
  5. Step 5: Solve for x
    x = 16,294,682.36/5,488.83
  6. Step 6: Final answer
    x = 2,968.70

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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.