Home / 7,928.16-10,942.83-4,572.99

Finding the Fourth Proportional to 7,928.16, 10,942.83 and 4,572.99

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Solution

The fourth proportional to 7,928.16, 10,942.83 and 4,572.99 is: 6,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.16 : 10,942.83 = 4,572.99 : x
  2. Step 2: Convert to fraction form
    7,928.16/10,942.83 = 4,572.99/x
  3. Step 3: Cross multiply
    7,928.16x = 10,942.83 × 4,572.99
  4. Step 4: Simplify right side
    7,928.16x = 50,041,374.58
  5. Step 5: Solve for x
    x = 50,041,374.58/7,928.16
  6. Step 6: Final answer
    x = 6,311.85

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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.