Home / 6,887.62-9,501.86-4,091.50

Finding the Fourth Proportional to 6,887.62, 9,501.86 and 4,091.50

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Solution

The fourth proportional to 6,887.62, 9,501.86 and 4,091.50 is: 5,644.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.62 : 9,501.86 = 4,091.50 : x
  2. Step 2: Convert to fraction form
    6,887.62/9,501.86 = 4,091.50/x
  3. Step 3: Cross multiply
    6,887.62x = 9,501.86 × 4,091.50
  4. Step 4: Simplify right side
    6,887.62x = 38,876,860.19
  5. Step 5: Solve for x
    x = 38,876,860.19/6,887.62
  6. Step 6: Final answer
    x = 5,644.45

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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.