Home / 5,320.23-7,980.35-2,399.37

Finding the Fourth Proportional to 5,320.23, 7,980.35 and 2,399.37

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Solution

The fourth proportional to 5,320.23, 7,980.35 and 2,399.37 is: 3,599.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.23 : 7,980.35 = 2,399.37 : x
  2. Step 2: Convert to fraction form
    5,320.23/7,980.35 = 2,399.37/x
  3. Step 3: Cross multiply
    5,320.23x = 7,980.35 × 2,399.37
  4. Step 4: Simplify right side
    5,320.23x = 19,147,800.38
  5. Step 5: Solve for x
    x = 19,147,800.38/5,320.23
  6. Step 6: Final answer
    x = 3,599.06

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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.