Home / 4,124.70-6,187.05-2,480.40

Finding the Fourth Proportional to 4,124.70, 6,187.05 and 2,480.40

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Solution

The fourth proportional to 4,124.70, 6,187.05 and 2,480.40 is: 3,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.70 : 6,187.05 = 2,480.40 : x
  2. Step 2: Convert to fraction form
    4,124.70/6,187.05 = 2,480.40/x
  3. Step 3: Cross multiply
    4,124.70x = 6,187.05 × 2,480.40
  4. Step 4: Simplify right side
    4,124.70x = 15,346,358.82
  5. Step 5: Solve for x
    x = 15,346,358.82/4,124.70
  6. Step 6: Final answer
    x = 3,720.60

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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.