Home / 7,724.69-11,587.02-6,681.58

Finding the Fourth Proportional to 7,724.69, 11,587.02 and 6,681.58

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Solution

The fourth proportional to 7,724.69, 11,587.02 and 6,681.58 is: 10,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.69 : 11,587.02 = 6,681.58 : x
  2. Step 2: Convert to fraction form
    7,724.69/11,587.02 = 6,681.58/x
  3. Step 3: Cross multiply
    7,724.69x = 11,587.02 × 6,681.58
  4. Step 4: Simplify right side
    7,724.69x = 77,419,601.09
  5. Step 5: Solve for x
    x = 77,419,601.09/7,724.69
  6. Step 6: Final answer
    x = 10,022.36

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1.5x scale

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.