Home / 4,577.84-6,865.11-1,979.36

Finding the Fourth Proportional to 4,577.84, 6,865.11 and 1,979.36

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Solution

The fourth proportional to 4,577.84, 6,865.11 and 1,979.36 is: 2,968.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,577.84 : 6,865.11 = 1,979.36 : x
  2. Step 2: Convert to fraction form
    4,577.84/6,865.11 = 1,979.36/x
  3. Step 3: Cross multiply
    4,577.84x = 6,865.11 × 1,979.36
  4. Step 4: Simplify right side
    4,577.84x = 13,588,489.80
  5. Step 5: Solve for x
    x = 13,588,489.80/4,577.84
  6. Step 6: Final answer
    x = 2,968.32

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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.