Home / 7,979.04-11,011.28-4,394.10

Finding the Fourth Proportional to 7,979.04, 11,011.28 and 4,394.10

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Solution

The fourth proportional to 7,979.04, 11,011.28 and 4,394.10 is: 6,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.04 : 11,011.28 = 4,394.10 : x
  2. Step 2: Convert to fraction form
    7,979.04/11,011.28 = 4,394.10/x
  3. Step 3: Cross multiply
    7,979.04x = 11,011.28 × 4,394.10
  4. Step 4: Simplify right side
    7,979.04x = 48,384,665.45
  5. Step 5: Solve for x
    x = 48,384,665.45/7,979.04
  6. Step 6: Final answer
    x = 6,063.97

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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.