Home / 6,928.40-10,392.64-5,535.22

Finding the Fourth Proportional to 6,928.40, 10,392.64 and 5,535.22

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Solution

The fourth proportional to 6,928.40, 10,392.64 and 5,535.22 is: 8,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.40 : 10,392.64 = 5,535.22 : x
  2. Step 2: Convert to fraction form
    6,928.40/10,392.64 = 5,535.22/x
  3. Step 3: Cross multiply
    6,928.40x = 10,392.64 × 5,535.22
  4. Step 4: Simplify right side
    6,928.40x = 57,525,494.85
  5. Step 5: Solve for x
    x = 57,525,494.85/6,928.40
  6. Step 6: Final answer
    x = 8,302.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.