Home / 5,047.36-7,572.08-2,125.65

Finding the Fourth Proportional to 5,047.36, 7,572.08 and 2,125.65

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Solution

The fourth proportional to 5,047.36, 7,572.08 and 2,125.65 is: 3,188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.36 : 7,572.08 = 2,125.65 : x
  2. Step 2: Convert to fraction form
    5,047.36/7,572.08 = 2,125.65/x
  3. Step 3: Cross multiply
    5,047.36x = 7,572.08 × 2,125.65
  4. Step 4: Simplify right side
    5,047.36x = 16,095,591.85
  5. Step 5: Solve for x
    x = 16,095,591.85/5,047.36
  6. Step 6: Final answer
    x = 3,188.91

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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.