Home / 8,360.88-11,513.52-7,476.40

Finding the Fourth Proportional to 8,360.88, 11,513.52 and 7,476.40

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Solution

The fourth proportional to 8,360.88, 11,513.52 and 7,476.40 is: 10,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.88 : 11,513.52 = 7,476.40 : x
  2. Step 2: Convert to fraction form
    8,360.88/11,513.52 = 7,476.40/x
  3. Step 3: Cross multiply
    8,360.88x = 11,513.52 × 7,476.40
  4. Step 4: Simplify right side
    8,360.88x = 86,079,680.93
  5. Step 5: Solve for x
    x = 86,079,680.93/8,360.88
  6. Step 6: Final answer
    x = 10,295.53

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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.