Home / 6,645.23-9,167.21-4,126.53

Finding the Fourth Proportional to 6,645.23, 9,167.21 and 4,126.53

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Solution

The fourth proportional to 6,645.23, 9,167.21 and 4,126.53 is: 5,692.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.23 : 9,167.21 = 4,126.53 : x
  2. Step 2: Convert to fraction form
    6,645.23/9,167.21 = 4,126.53/x
  3. Step 3: Cross multiply
    6,645.23x = 9,167.21 × 4,126.53
  4. Step 4: Simplify right side
    6,645.23x = 37,828,777.40
  5. Step 5: Solve for x
    x = 37,828,777.40/6,645.23
  6. Step 6: Final answer
    x = 5,692.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.