Home / 6,147.90-9,220.86-1,764.36

Finding the Fourth Proportional to 6,147.90, 9,220.86 and 1,764.36

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Solution

The fourth proportional to 6,147.90, 9,220.86 and 1,764.36 is: 2,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.90 : 9,220.86 = 1,764.36 : x
  2. Step 2: Convert to fraction form
    6,147.90/9,220.86 = 1,764.36/x
  3. Step 3: Cross multiply
    6,147.90x = 9,220.86 × 1,764.36
  4. Step 4: Simplify right side
    6,147.90x = 16,268,916.55
  5. Step 5: Solve for x
    x = 16,268,916.55/6,147.90
  6. Step 6: Final answer
    x = 2,646.26

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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.