Home / 6,140.42-9,210.60-1,757.87

Finding the Fourth Proportional to 6,140.42, 9,210.60 and 1,757.87

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Solution

The fourth proportional to 6,140.42, 9,210.60 and 1,757.87 is: 2,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.42 : 9,210.60 = 1,757.87 : x
  2. Step 2: Convert to fraction form
    6,140.42/9,210.60 = 1,757.87/x
  3. Step 3: Cross multiply
    6,140.42x = 9,210.60 × 1,757.87
  4. Step 4: Simplify right side
    6,140.42x = 16,191,081.01
  5. Step 5: Solve for x
    x = 16,191,081.01/6,140.42
  6. Step 6: Final answer
    x = 2,636.80

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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.