Home / 6,656.28-9,985.89-1,976.67

Finding the Fourth Proportional to 6,656.28, 9,985.89 and 1,976.67

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Solution

The fourth proportional to 6,656.28, 9,985.89 and 1,976.67 is: 2,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.28 : 9,985.89 = 1,976.67 : x
  2. Step 2: Convert to fraction form
    6,656.28/9,985.89 = 1,976.67/x
  3. Step 3: Cross multiply
    6,656.28x = 9,985.89 × 1,976.67
  4. Step 4: Simplify right side
    6,656.28x = 19,738,809.19
  5. Step 5: Solve for x
    x = 19,738,809.19/6,656.28
  6. Step 6: Final answer
    x = 2,965.44

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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.