Home / 4,266.36-6,390.90-2,875.32

Finding the Fourth Proportional to 4,266.36, 6,390.90 and 2,875.32

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Solution

The fourth proportional to 4,266.36, 6,390.90 and 2,875.32 is: 4,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.36 : 6,390.90 = 2,875.32 : x
  2. Step 2: Convert to fraction form
    4,266.36/6,390.90 = 2,875.32/x
  3. Step 3: Cross multiply
    4,266.36x = 6,390.90 × 2,875.32
  4. Step 4: Simplify right side
    4,266.36x = 18,375,882.59
  5. Step 5: Solve for x
    x = 18,375,882.59/4,266.36
  6. Step 6: Final answer
    x = 4,307.16

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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.