Home / 7,724.88-10,654.67-5,071.32

Finding the Fourth Proportional to 7,724.88, 10,654.67 and 5,071.32

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Solution

The fourth proportional to 7,724.88, 10,654.67 and 5,071.32 is: 6,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.88 : 10,654.67 = 5,071.32 : x
  2. Step 2: Convert to fraction form
    7,724.88/10,654.67 = 5,071.32/x
  3. Step 3: Cross multiply
    7,724.88x = 10,654.67 × 5,071.32
  4. Step 4: Simplify right side
    7,724.88x = 54,033,241.06
  5. Step 5: Solve for x
    x = 54,033,241.06/7,724.88
  6. Step 6: Final answer
    x = 6,994.70

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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.