Home / 7,724.40-11,557.89-4,606.10

Finding the Fourth Proportional to 7,724.40, 11,557.89 and 4,606.10

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Solution

The fourth proportional to 7,724.40, 11,557.89 and 4,606.10 is: 6,892.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.40 : 11,557.89 = 4,606.10 : x
  2. Step 2: Convert to fraction form
    7,724.40/11,557.89 = 4,606.10/x
  3. Step 3: Cross multiply
    7,724.40x = 11,557.89 × 4,606.10
  4. Step 4: Simplify right side
    7,724.40x = 53,236,797.13
  5. Step 5: Solve for x
    x = 53,236,797.13/7,724.40
  6. Step 6: Final answer
    x = 6,892.03

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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.