Home / 6,368.90-9,543.56-2,669.09

Finding the Fourth Proportional to 6,368.90, 9,543.56 and 2,669.09

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Solution

The fourth proportional to 6,368.90, 9,543.56 and 2,669.09 is: 3,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.90 : 9,543.56 = 2,669.09 : x
  2. Step 2: Convert to fraction form
    6,368.90/9,543.56 = 2,669.09/x
  3. Step 3: Cross multiply
    6,368.90x = 9,543.56 × 2,669.09
  4. Step 4: Simplify right side
    6,368.90x = 25,472,559.50
  5. Step 5: Solve for x
    x = 25,472,559.50/6,368.90
  6. Step 6: Final answer
    x = 3,999.53

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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.