Home / 6,669.02-10,004.03-1,988.66

Finding the Fourth Proportional to 6,669.02, 10,004.03 and 1,988.66

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Solution

The fourth proportional to 6,669.02, 10,004.03 and 1,988.66 is: 2,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.02 : 10,004.03 = 1,988.66 : x
  2. Step 2: Convert to fraction form
    6,669.02/10,004.03 = 1,988.66/x
  3. Step 3: Cross multiply
    6,669.02x = 10,004.03 × 1,988.66
  4. Step 4: Simplify right side
    6,669.02x = 19,894,648.01
  5. Step 5: Solve for x
    x = 19,894,648.01/6,669.02
  6. Step 6: Final answer
    x = 2,983.14

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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.