Home / 6,987.45-9,634.81-5,095.70

Finding the Fourth Proportional to 6,987.45, 9,634.81 and 5,095.70

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Solution

The fourth proportional to 6,987.45, 9,634.81 and 5,095.70 is: 7,026.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.45 : 9,634.81 = 5,095.70 : x
  2. Step 2: Convert to fraction form
    6,987.45/9,634.81 = 5,095.70/x
  3. Step 3: Cross multiply
    6,987.45x = 9,634.81 × 5,095.70
  4. Step 4: Simplify right side
    6,987.45x = 49,096,101.32
  5. Step 5: Solve for x
    x = 49,096,101.32/6,987.45
  6. Step 6: Final answer
    x = 7,026.33

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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.