Home / 4,318.10-6,476.86-1,685.12

Finding the Fourth Proportional to 4,318.10, 6,476.86 and 1,685.12

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Solution

The fourth proportional to 4,318.10, 6,476.86 and 1,685.12 is: 2,527.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.10 : 6,476.86 = 1,685.12 : x
  2. Step 2: Convert to fraction form
    4,318.10/6,476.86 = 1,685.12/x
  3. Step 3: Cross multiply
    4,318.10x = 6,476.86 × 1,685.12
  4. Step 4: Simplify right side
    4,318.10x = 10,914,256.05
  5. Step 5: Solve for x
    x = 10,914,256.05/4,318.10
  6. Step 6: Final answer
    x = 2,527.56

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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.