Home / 4,984-7,476.30-1,521.28

Finding the Fourth Proportional to 4,984, 7,476.30 and 1,521.28

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Solution

The fourth proportional to 4,984, 7,476.30 and 1,521.28 is: 2,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984 : 7,476.30 = 1,521.28 : x
  2. Step 2: Convert to fraction form
    4,984/7,476.30 = 1,521.28/x
  3. Step 3: Cross multiply
    4,984x = 7,476.30 × 1,521.28
  4. Step 4: Simplify right side
    4,984x = 11,373,545.66
  5. Step 5: Solve for x
    x = 11,373,545.66/4,984
  6. Step 6: Final answer
    x = 2,282.01

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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.