Home / 5,339.70-8,009.40-2,415.96

Finding the Fourth Proportional to 5,339.70, 8,009.40 and 2,415.96

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Solution

The fourth proportional to 5,339.70, 8,009.40 and 2,415.96 is: 3,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.70 : 8,009.40 = 2,415.96 : x
  2. Step 2: Convert to fraction form
    5,339.70/8,009.40 = 2,415.96/x
  3. Step 3: Cross multiply
    5,339.70x = 8,009.40 × 2,415.96
  4. Step 4: Simplify right side
    5,339.70x = 19,350,390.02
  5. Step 5: Solve for x
    x = 19,350,390.02/5,339.70
  6. Step 6: Final answer
    x = 3,623.87

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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.