Home / 6,172.85-9,260.72-1,790.39

Finding the Fourth Proportional to 6,172.85, 9,260.72 and 1,790.39

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Solution

The fourth proportional to 6,172.85, 9,260.72 and 1,790.39 is: 2,686.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.85 : 9,260.72 = 1,790.39 : x
  2. Step 2: Convert to fraction form
    6,172.85/9,260.72 = 1,790.39/x
  3. Step 3: Cross multiply
    6,172.85x = 9,260.72 × 1,790.39
  4. Step 4: Simplify right side
    6,172.85x = 16,580,291.53
  5. Step 5: Solve for x
    x = 16,580,291.53/6,172.85
  6. Step 6: Final answer
    x = 2,686.00

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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.