Home / 6,140.12-8,473.36-3,345.64

Finding the Fourth Proportional to 6,140.12, 8,473.36 and 3,345.64

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Solution

The fourth proportional to 6,140.12, 8,473.36 and 3,345.64 is: 4,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.12 : 8,473.36 = 3,345.64 : x
  2. Step 2: Convert to fraction form
    6,140.12/8,473.36 = 3,345.64/x
  3. Step 3: Cross multiply
    6,140.12x = 8,473.36 × 3,345.64
  4. Step 4: Simplify right side
    6,140.12x = 28,348,812.15
  5. Step 5: Solve for x
    x = 28,348,812.15/6,140.12
  6. Step 6: Final answer
    x = 4,616.98

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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.