Home / 6,669.21-10,003.55-1,671.57

Finding the Fourth Proportional to 6,669.21, 10,003.55 and 1,671.57

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Solution

The fourth proportional to 6,669.21, 10,003.55 and 1,671.57 is: 2,507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.21 : 10,003.55 = 1,671.57 : x
  2. Step 2: Convert to fraction form
    6,669.21/10,003.55 = 1,671.57/x
  3. Step 3: Cross multiply
    6,669.21x = 10,003.55 × 1,671.57
  4. Step 4: Simplify right side
    6,669.21x = 16,721,638.25
  5. Step 5: Solve for x
    x = 16,721,638.25/6,669.21
  6. Step 6: Final answer
    x = 2,507.29

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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.