Home / 5,018.79-7,521.01-2,822.91

Finding the Fourth Proportional to 5,018.79, 7,521.01 and 2,822.91

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Solution

The fourth proportional to 5,018.79, 7,521.01 and 2,822.91 is: 4,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.79 : 7,521.01 = 2,822.91 : x
  2. Step 2: Convert to fraction form
    5,018.79/7,521.01 = 2,822.91/x
  3. Step 3: Cross multiply
    5,018.79x = 7,521.01 × 2,822.91
  4. Step 4: Simplify right side
    5,018.79x = 21,231,134.34
  5. Step 5: Solve for x
    x = 21,231,134.34/5,018.79
  6. Step 6: Final answer
    x = 4,230.33

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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.