Home / 5,392.85-8,090.19-2,471.40

Finding the Fourth Proportional to 5,392.85, 8,090.19 and 2,471.40

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Solution

The fourth proportional to 5,392.85, 8,090.19 and 2,471.40 is: 3,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.85 : 8,090.19 = 2,471.40 : x
  2. Step 2: Convert to fraction form
    5,392.85/8,090.19 = 2,471.40/x
  3. Step 3: Cross multiply
    5,392.85x = 8,090.19 × 2,471.40
  4. Step 4: Simplify right side
    5,392.85x = 19,994,095.57
  5. Step 5: Solve for x
    x = 19,994,095.57/5,392.85
  6. Step 6: Final answer
    x = 3,707.52

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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.