Home / 8,476.45-11,706.53-6,610.21

Finding the Fourth Proportional to 8,476.45, 11,706.53 and 6,610.21

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Solution

The fourth proportional to 8,476.45, 11,706.53 and 6,610.21 is: 9,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.45 : 11,706.53 = 6,610.21 : x
  2. Step 2: Convert to fraction form
    8,476.45/11,706.53 = 6,610.21/x
  3. Step 3: Cross multiply
    8,476.45x = 11,706.53 × 6,610.21
  4. Step 4: Simplify right side
    8,476.45x = 77,382,559.35
  5. Step 5: Solve for x
    x = 77,382,559.35/8,476.45
  6. Step 6: Final answer
    x = 9,129.13

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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.