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Finding the Fourth Proportional to 6,999.06, 10,501.38 and 6,888.48

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Solution

The fourth proportional to 6,999.06, 10,501.38 and 6,888.48 is: 10,335.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.06 : 10,501.38 = 6,888.48 : x
  2. Step 2: Convert to fraction form
    6,999.06/10,501.38 = 6,888.48/x
  3. Step 3: Cross multiply
    6,999.06x = 10,501.38 × 6,888.48
  4. Step 4: Simplify right side
    6,999.06x = 72,338,546.10
  5. Step 5: Solve for x
    x = 72,338,546.10/6,999.06
  6. Step 6: Final answer
    x = 10,335.47

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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.