Home / 5,047.20-6,964.74-2,808.93

Finding the Fourth Proportional to 5,047.20, 6,964.74 and 2,808.93

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Solution

The fourth proportional to 5,047.20, 6,964.74 and 2,808.93 is: 3,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.20 : 6,964.74 = 2,808.93 : x
  2. Step 2: Convert to fraction form
    5,047.20/6,964.74 = 2,808.93/x
  3. Step 3: Cross multiply
    5,047.20x = 6,964.74 × 2,808.93
  4. Step 4: Simplify right side
    5,047.20x = 19,563,467.13
  5. Step 5: Solve for x
    x = 19,563,467.13/5,047.20
  6. Step 6: Final answer
    x = 3,876.10

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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.