Home / 6,986.45-10,486.57-5,132.36

Finding the Fourth Proportional to 6,986.45, 10,486.57 and 5,132.36

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Solution

The fourth proportional to 6,986.45, 10,486.57 and 5,132.36 is: 7,703.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.45 : 10,486.57 = 5,132.36 : x
  2. Step 2: Convert to fraction form
    6,986.45/10,486.57 = 5,132.36/x
  3. Step 3: Cross multiply
    6,986.45x = 10,486.57 × 5,132.36
  4. Step 4: Simplify right side
    6,986.45x = 53,820,852.41
  5. Step 5: Solve for x
    x = 53,820,852.41/6,986.45
  6. Step 6: Final answer
    x = 7,703.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.