Home / 8,087.45-11,160.72-4,899.69

Finding the Fourth Proportional to 8,087.45, 11,160.72 and 4,899.69

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Solution

The fourth proportional to 8,087.45, 11,160.72 and 4,899.69 is: 6,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.45 : 11,160.72 = 4,899.69 : x
  2. Step 2: Convert to fraction form
    8,087.45/11,160.72 = 4,899.69/x
  3. Step 3: Cross multiply
    8,087.45x = 11,160.72 × 4,899.69
  4. Step 4: Simplify right side
    8,087.45x = 54,684,068.18
  5. Step 5: Solve for x
    x = 54,684,068.18/8,087.45
  6. Step 6: Final answer
    x = 6,761.60

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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.