Home / 6,663.60-9,991.44-4,068.36

Finding the Fourth Proportional to 6,663.60, 9,991.44 and 4,068.36

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Solution

The fourth proportional to 6,663.60, 9,991.44 and 4,068.36 is: 6,100.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.60 : 9,991.44 = 4,068.36 : x
  2. Step 2: Convert to fraction form
    6,663.60/9,991.44 = 4,068.36/x
  3. Step 3: Cross multiply
    6,663.60x = 9,991.44 × 4,068.36
  4. Step 4: Simplify right side
    6,663.60x = 40,648,774.84
  5. Step 5: Solve for x
    x = 40,648,774.84/6,663.60
  6. Step 6: Final answer
    x = 6,100.12

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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.