Home / 7,724.16-10,659.36-4,187.37

Finding the Fourth Proportional to 7,724.16, 10,659.36 and 4,187.37

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Solution

The fourth proportional to 7,724.16, 10,659.36 and 4,187.37 is: 5,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.16 : 10,659.36 = 4,187.37 : x
  2. Step 2: Convert to fraction form
    7,724.16/10,659.36 = 4,187.37/x
  3. Step 3: Cross multiply
    7,724.16x = 10,659.36 × 4,187.37
  4. Step 4: Simplify right side
    7,724.16x = 44,634,684.28
  5. Step 5: Solve for x
    x = 44,634,684.28/7,724.16
  6. Step 6: Final answer
    x = 5,778.58

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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.