Home / 6,666.00-9,989.46-4,897.13

Finding the Fourth Proportional to 6,666.00, 9,989.46 and 4,897.13

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Solution

The fourth proportional to 6,666.00, 9,989.46 and 4,897.13 is: 7,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.00 : 9,989.46 = 4,897.13 : x
  2. Step 2: Convert to fraction form
    6,666.00/9,989.46 = 4,897.13/x
  3. Step 3: Cross multiply
    6,666.00x = 9,989.46 × 4,897.13
  4. Step 4: Simplify right side
    6,666.00x = 48,919,634.30
  5. Step 5: Solve for x
    x = 48,919,634.30/6,666.00
  6. Step 6: Final answer
    x = 7,338.68

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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.