Home / 7,474.91-11,207.16-3,312.63

Finding the Fourth Proportional to 7,474.91, 11,207.16 and 3,312.63

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Solution

The fourth proportional to 7,474.91, 11,207.16 and 3,312.63 is: 4,966.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.91 : 11,207.16 = 3,312.63 : x
  2. Step 2: Convert to fraction form
    7,474.91/11,207.16 = 3,312.63/x
  3. Step 3: Cross multiply
    7,474.91x = 11,207.16 × 3,312.63
  4. Step 4: Simplify right side
    7,474.91x = 37,125,174.43
  5. Step 5: Solve for x
    x = 37,125,174.43/7,474.91
  6. Step 6: Final answer
    x = 4,966.64

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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.