Home / 4,188.10-6,286.95-2,457.70

Finding the Fourth Proportional to 4,188.10, 6,286.95 and 2,457.70

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Solution

The fourth proportional to 4,188.10, 6,286.95 and 2,457.70 is: 3,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.10 : 6,286.95 = 2,457.70 : x
  2. Step 2: Convert to fraction form
    4,188.10/6,286.95 = 2,457.70/x
  3. Step 3: Cross multiply
    4,188.10x = 6,286.95 × 2,457.70
  4. Step 4: Simplify right side
    4,188.10x = 15,451,437.02
  5. Step 5: Solve for x
    x = 15,451,437.02/4,188.10
  6. Step 6: Final answer
    x = 3,689.37

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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.