Home / 4,577.12-6,863.88-1,615.40

Finding the Fourth Proportional to 4,577.12, 6,863.88 and 1,615.40

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Solution

The fourth proportional to 4,577.12, 6,863.88 and 1,615.40 is: 2,422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,577.12 : 6,863.88 = 1,615.40 : x
  2. Step 2: Convert to fraction form
    4,577.12/6,863.88 = 1,615.40/x
  3. Step 3: Cross multiply
    4,577.12x = 6,863.88 × 1,615.40
  4. Step 4: Simplify right side
    4,577.12x = 11,087,911.75
  5. Step 5: Solve for x
    x = 11,087,911.75/4,577.12
  6. Step 6: Final answer
    x = 2,422.46

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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.