Home / 6,988.01-9,638.27-5,071.09

Finding the Fourth Proportional to 6,988.01, 9,638.27 and 5,071.09

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Solution

The fourth proportional to 6,988.01, 9,638.27 and 5,071.09 is: 6,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.01 : 9,638.27 = 5,071.09 : x
  2. Step 2: Convert to fraction form
    6,988.01/9,638.27 = 5,071.09/x
  3. Step 3: Cross multiply
    6,988.01x = 9,638.27 × 5,071.09
  4. Step 4: Simplify right side
    6,988.01x = 48,876,571.39
  5. Step 5: Solve for x
    x = 48,876,571.39/6,988.01
  6. Step 6: Final answer
    x = 6,994.35

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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.