Home / 5,133.92-7,084.80-2,776.08

Finding the Fourth Proportional to 5,133.92, 7,084.80 and 2,776.08

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Solution

The fourth proportional to 5,133.92, 7,084.80 and 2,776.08 is: 3,830.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.92 : 7,084.80 = 2,776.08 : x
  2. Step 2: Convert to fraction form
    5,133.92/7,084.80 = 2,776.08/x
  3. Step 3: Cross multiply
    5,133.92x = 7,084.80 × 2,776.08
  4. Step 4: Simplify right side
    5,133.92x = 19,667,971.58
  5. Step 5: Solve for x
    x = 19,667,971.58/5,133.92
  6. Step 6: Final answer
    x = 3,830.99

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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.