Home / 4,215.15-5,816.70-2,446.47

Finding the Fourth Proportional to 4,215.15, 5,816.70 and 2,446.47

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Solution

The fourth proportional to 4,215.15, 5,816.70 and 2,446.47 is: 3,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.15 : 5,816.70 = 2,446.47 : x
  2. Step 2: Convert to fraction form
    4,215.15/5,816.70 = 2,446.47/x
  3. Step 3: Cross multiply
    4,215.15x = 5,816.70 × 2,446.47
  4. Step 4: Simplify right side
    4,215.15x = 14,230,382.05
  5. Step 5: Solve for x
    x = 14,230,382.05/4,215.15
  6. Step 6: Final answer
    x = 3,376.01

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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.