Home / 7,979.55-11,000.37-5,614.35

Finding the Fourth Proportional to 7,979.55, 11,000.37 and 5,614.35

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Solution

The fourth proportional to 7,979.55, 11,000.37 and 5,614.35 is: 7,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.55 : 11,000.37 = 5,614.35 : x
  2. Step 2: Convert to fraction form
    7,979.55/11,000.37 = 5,614.35/x
  3. Step 3: Cross multiply
    7,979.55x = 11,000.37 × 5,614.35
  4. Step 4: Simplify right side
    7,979.55x = 61,759,927.31
  5. Step 5: Solve for x
    x = 61,759,927.31/7,979.55
  6. Step 6: Final answer
    x = 7,739.78

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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.