Home / 6,988.36-9,645.18-4,003.96

Finding the Fourth Proportional to 6,988.36, 9,645.18 and 4,003.96

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Solution

The fourth proportional to 6,988.36, 9,645.18 and 4,003.96 is: 5,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.36 : 9,645.18 = 4,003.96 : x
  2. Step 2: Convert to fraction form
    6,988.36/9,645.18 = 4,003.96/x
  3. Step 3: Cross multiply
    6,988.36x = 9,645.18 × 4,003.96
  4. Step 4: Simplify right side
    6,988.36x = 38,618,914.91
  5. Step 5: Solve for x
    x = 38,618,914.91/6,988.36
  6. Step 6: Final answer
    x = 5,526.18

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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.