Home / 7,724.50-10,664.40-5,858.26

Finding the Fourth Proportional to 7,724.50, 10,664.40 and 5,858.26

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Solution

The fourth proportional to 7,724.50, 10,664.40 and 5,858.26 is: 8,087.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.50 : 10,664.40 = 5,858.26 : x
  2. Step 2: Convert to fraction form
    7,724.50/10,664.40 = 5,858.26/x
  3. Step 3: Cross multiply
    7,724.50x = 10,664.40 × 5,858.26
  4. Step 4: Simplify right side
    7,724.50x = 62,474,827.94
  5. Step 5: Solve for x
    x = 62,474,827.94/7,724.50
  6. Step 6: Final answer
    x = 8,087.88

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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.