Home / 5,104.88-7,045.28-2,866.64

Finding the Fourth Proportional to 5,104.88, 7,045.28 and 2,866.64

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Solution

The fourth proportional to 5,104.88, 7,045.28 and 2,866.64 is: 3,956.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.88 : 7,045.28 = 2,866.64 : x
  2. Step 2: Convert to fraction form
    5,104.88/7,045.28 = 2,866.64/x
  3. Step 3: Cross multiply
    5,104.88x = 7,045.28 × 2,866.64
  4. Step 4: Simplify right side
    5,104.88x = 20,196,281.46
  5. Step 5: Solve for x
    x = 20,196,281.46/5,104.88
  6. Step 6: Final answer
    x = 3,956.27

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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.