Home / 5,426.37-7,489.62-3,534.66

Finding the Fourth Proportional to 5,426.37, 7,489.62 and 3,534.66

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Solution

The fourth proportional to 5,426.37, 7,489.62 and 3,534.66 is: 4,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.37 : 7,489.62 = 3,534.66 : x
  2. Step 2: Convert to fraction form
    5,426.37/7,489.62 = 3,534.66/x
  3. Step 3: Cross multiply
    5,426.37x = 7,489.62 × 3,534.66
  4. Step 4: Simplify right side
    5,426.37x = 26,473,260.23
  5. Step 5: Solve for x
    x = 26,473,260.23/5,426.37
  6. Step 6: Final answer
    x = 4,878.63

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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.