Home / 6,928.89-9,561.93-3,785.13

Finding the Fourth Proportional to 6,928.89, 9,561.93 and 3,785.13

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Solution

The fourth proportional to 6,928.89, 9,561.93 and 3,785.13 is: 5,223.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.89 : 9,561.93 = 3,785.13 : x
  2. Step 2: Convert to fraction form
    6,928.89/9,561.93 = 3,785.13/x
  3. Step 3: Cross multiply
    6,928.89x = 9,561.93 × 3,785.13
  4. Step 4: Simplify right side
    6,928.89x = 36,193,148.10
  5. Step 5: Solve for x
    x = 36,193,148.10/6,928.89
  6. Step 6: Final answer
    x = 5,223.51

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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.