Home / 6,131.70-8,457.98-3,740.54

Finding the Fourth Proportional to 6,131.70, 8,457.98 and 3,740.54

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Solution

The fourth proportional to 6,131.70, 8,457.98 and 3,740.54 is: 5,159.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.70 : 8,457.98 = 3,740.54 : x
  2. Step 2: Convert to fraction form
    6,131.70/8,457.98 = 3,740.54/x
  3. Step 3: Cross multiply
    6,131.70x = 8,457.98 × 3,740.54
  4. Step 4: Simplify right side
    6,131.70x = 31,637,351.52
  5. Step 5: Solve for x
    x = 31,637,351.52/6,131.70
  6. Step 6: Final answer
    x = 5,159.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.