Home / 6,928.04-10,390.44-2,311.04

Finding the Fourth Proportional to 6,928.04, 10,390.44 and 2,311.04

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Solution

The fourth proportional to 6,928.04, 10,390.44 and 2,311.04 is: 3,466.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.04 : 10,390.44 = 2,311.04 : x
  2. Step 2: Convert to fraction form
    6,928.04/10,390.44 = 2,311.04/x
  3. Step 3: Cross multiply
    6,928.04x = 10,390.44 × 2,311.04
  4. Step 4: Simplify right side
    6,928.04x = 24,012,722.46
  5. Step 5: Solve for x
    x = 24,012,722.46/6,928.04
  6. Step 6: Final answer
    x = 3,466.02

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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.