Home / 6,140.72-8,474.23-3,346.22

Finding the Fourth Proportional to 6,140.72, 8,474.23 and 3,346.22

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Solution

The fourth proportional to 6,140.72, 8,474.23 and 3,346.22 is: 4,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.72 : 8,474.23 = 3,346.22 : x
  2. Step 2: Convert to fraction form
    6,140.72/8,474.23 = 3,346.22/x
  3. Step 3: Cross multiply
    6,140.72x = 8,474.23 × 3,346.22
  4. Step 4: Simplify right side
    6,140.72x = 28,356,637.91
  5. Step 5: Solve for x
    x = 28,356,637.91/6,140.72
  6. Step 6: Final answer
    x = 4,617.80

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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.