Home / 5,089.45-7,023.42-2,820.93

Finding the Fourth Proportional to 5,089.45, 7,023.42 and 2,820.93

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Solution

The fourth proportional to 5,089.45, 7,023.42 and 2,820.93 is: 3,892.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.45 : 7,023.42 = 2,820.93 : x
  2. Step 2: Convert to fraction form
    5,089.45/7,023.42 = 2,820.93/x
  3. Step 3: Cross multiply
    5,089.45x = 7,023.42 × 2,820.93
  4. Step 4: Simplify right side
    5,089.45x = 19,812,562.08
  5. Step 5: Solve for x
    x = 19,812,562.08/5,089.45
  6. Step 6: Final answer
    x = 3,892.87

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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.