Home / 6,140.59-8,475.83-5,310.22

Finding the Fourth Proportional to 6,140.59, 8,475.83 and 5,310.22

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Solution

The fourth proportional to 6,140.59, 8,475.83 and 5,310.22 is: 7,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.59 : 8,475.83 = 5,310.22 : x
  2. Step 2: Convert to fraction form
    6,140.59/8,475.83 = 5,310.22/x
  3. Step 3: Cross multiply
    6,140.59x = 8,475.83 × 5,310.22
  4. Step 4: Simplify right side
    6,140.59x = 45,008,474.24
  5. Step 5: Solve for x
    x = 45,008,474.24/6,140.59
  6. Step 6: Final answer
    x = 7,329.66

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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.