Home / 7,706.22-10,634.66-4,521.40

Finding the Fourth Proportional to 7,706.22, 10,634.66 and 4,521.40

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Solution

The fourth proportional to 7,706.22, 10,634.66 and 4,521.40 is: 6,239.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706.22 : 10,634.66 = 4,521.40 : x
  2. Step 2: Convert to fraction form
    7,706.22/10,634.66 = 4,521.40/x
  3. Step 3: Cross multiply
    7,706.22x = 10,634.66 × 4,521.40
  4. Step 4: Simplify right side
    7,706.22x = 48,083,551.72
  5. Step 5: Solve for x
    x = 48,083,551.72/7,706.22
  6. Step 6: Final answer
    x = 6,239.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.