Home / 4,724.16-7,084.80-3,089.40

Finding the Fourth Proportional to 4,724.16, 7,084.80 and 3,089.40

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Solution

The fourth proportional to 4,724.16, 7,084.80 and 3,089.40 is: 4,633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.16 : 7,084.80 = 3,089.40 : x
  2. Step 2: Convert to fraction form
    4,724.16/7,084.80 = 3,089.40/x
  3. Step 3: Cross multiply
    4,724.16x = 7,084.80 × 3,089.40
  4. Step 4: Simplify right side
    4,724.16x = 21,887,781.12
  5. Step 5: Solve for x
    x = 21,887,781.12/4,724.16
  6. Step 6: Final answer
    x = 4,633.16

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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.