Home / 5,327.47-7,990.30-2,405.09

Finding the Fourth Proportional to 5,327.47, 7,990.30 and 2,405.09

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Solution

The fourth proportional to 5,327.47, 7,990.30 and 2,405.09 is: 3,607.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.47 : 7,990.30 = 2,405.09 : x
  2. Step 2: Convert to fraction form
    5,327.47/7,990.30 = 2,405.09/x
  3. Step 3: Cross multiply
    5,327.47x = 7,990.30 × 2,405.09
  4. Step 4: Simplify right side
    5,327.47x = 19,217,400.08
  5. Step 5: Solve for x
    x = 19,217,400.08/5,327.47
  6. Step 6: Final answer
    x = 3,607.23

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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.