Home / 4,342.60-6,513.90-3,107.40

Finding the Fourth Proportional to 4,342.60, 6,513.90 and 3,107.40

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Solution

The fourth proportional to 4,342.60, 6,513.90 and 3,107.40 is: 4,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.60 : 6,513.90 = 3,107.40 : x
  2. Step 2: Convert to fraction form
    4,342.60/6,513.90 = 3,107.40/x
  3. Step 3: Cross multiply
    4,342.60x = 6,513.90 × 3,107.40
  4. Step 4: Simplify right side
    4,342.60x = 20,241,292.86
  5. Step 5: Solve for x
    x = 20,241,292.86/4,342.60
  6. Step 6: Final answer
    x = 4,661.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.