Home / 6,143.02-8,485.26-5,344.90

Finding the Fourth Proportional to 6,143.02, 8,485.26 and 5,344.90

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Solution

The fourth proportional to 6,143.02, 8,485.26 and 5,344.90 is: 7,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.02 : 8,485.26 = 5,344.90 : x
  2. Step 2: Convert to fraction form
    6,143.02/8,485.26 = 5,344.90/x
  3. Step 3: Cross multiply
    6,143.02x = 8,485.26 × 5,344.90
  4. Step 4: Simplify right side
    6,143.02x = 45,352,866.17
  5. Step 5: Solve for x
    x = 45,352,866.17/6,143.02
  6. Step 6: Final answer
    x = 7,382.83

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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.