Home / 7,548.89-11,319.68-3,165.17

Finding the Fourth Proportional to 7,548.89, 11,319.68 and 3,165.17

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Solution

The fourth proportional to 7,548.89, 11,319.68 and 3,165.17 is: 4,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.89 : 11,319.68 = 3,165.17 : x
  2. Step 2: Convert to fraction form
    7,548.89/11,319.68 = 3,165.17/x
  3. Step 3: Cross multiply
    7,548.89x = 11,319.68 × 3,165.17
  4. Step 4: Simplify right side
    7,548.89x = 35,828,695.72
  5. Step 5: Solve for x
    x = 35,828,695.72/7,548.89
  6. Step 6: Final answer
    x = 4,746.22

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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.