Home / 8,047.84-11,079.48-6,999.36

Finding the Fourth Proportional to 8,047.84, 11,079.48 and 6,999.36

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Solution

The fourth proportional to 8,047.84, 11,079.48 and 6,999.36 is: 9,636.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.84 : 11,079.48 = 6,999.36 : x
  2. Step 2: Convert to fraction form
    8,047.84/11,079.48 = 6,999.36/x
  3. Step 3: Cross multiply
    8,047.84x = 11,079.48 × 6,999.36
  4. Step 4: Simplify right side
    8,047.84x = 77,549,269.13
  5. Step 5: Solve for x
    x = 77,549,269.13/8,047.84
  6. Step 6: Final answer
    x = 9,636.04

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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.