Home / 6,928.56-9,559.02-3,943.63

Finding the Fourth Proportional to 6,928.56, 9,559.02 and 3,943.63

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Solution

The fourth proportional to 6,928.56, 9,559.02 and 3,943.63 is: 5,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.56 : 9,559.02 = 3,943.63 : x
  2. Step 2: Convert to fraction form
    6,928.56/9,559.02 = 3,943.63/x
  3. Step 3: Cross multiply
    6,928.56x = 9,559.02 × 3,943.63
  4. Step 4: Simplify right side
    6,928.56x = 37,697,238.04
  5. Step 5: Solve for x
    x = 37,697,238.04/6,928.56
  6. Step 6: Final answer
    x = 5,440.85

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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.