Home / 9,008.72-13,513.22-3,165.40

Finding the Fourth Proportional to 9,008.72, 13,513.22 and 3,165.40

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Solution

The fourth proportional to 9,008.72, 13,513.22 and 3,165.40 is: 4,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.72 : 13,513.22 = 3,165.40 : x
  2. Step 2: Convert to fraction form
    9,008.72/13,513.22 = 3,165.40/x
  3. Step 3: Cross multiply
    9,008.72x = 13,513.22 × 3,165.40
  4. Step 4: Simplify right side
    9,008.72x = 42,774,746.59
  5. Step 5: Solve for x
    x = 42,774,746.59/9,008.72
  6. Step 6: Final answer
    x = 4,748.15

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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.