Home / 6,551.28-9,040.88-3,718.58

Finding the Fourth Proportional to 6,551.28, 9,040.88 and 3,718.58

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Solution

The fourth proportional to 6,551.28, 9,040.88 and 3,718.58 is: 5,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.28 : 9,040.88 = 3,718.58 : x
  2. Step 2: Convert to fraction form
    6,551.28/9,040.88 = 3,718.58/x
  3. Step 3: Cross multiply
    6,551.28x = 9,040.88 × 3,718.58
  4. Step 4: Simplify right side
    6,551.28x = 33,619,235.55
  5. Step 5: Solve for x
    x = 33,619,235.55/6,551.28
  6. Step 6: Final answer
    x = 5,131.70

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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.