Home / 6,140.70-9,212.64-1,758.48

Finding the Fourth Proportional to 6,140.70, 9,212.64 and 1,758.48

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Solution

The fourth proportional to 6,140.70, 9,212.64 and 1,758.48 is: 2,638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.70 : 9,212.64 = 1,758.48 : x
  2. Step 2: Convert to fraction form
    6,140.70/9,212.64 = 1,758.48/x
  3. Step 3: Cross multiply
    6,140.70x = 9,212.64 × 1,758.48
  4. Step 4: Simplify right side
    6,140.70x = 16,200,243.19
  5. Step 5: Solve for x
    x = 16,200,243.19/6,140.70
  6. Step 6: Final answer
    x = 2,638.18

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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.