Home / 4,182.18-6,268.51-1,715.64

Finding the Fourth Proportional to 4,182.18, 6,268.51 and 1,715.64

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Solution

The fourth proportional to 4,182.18, 6,268.51 and 1,715.64 is: 2,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.18 : 6,268.51 = 1,715.64 : x
  2. Step 2: Convert to fraction form
    4,182.18/6,268.51 = 1,715.64/x
  3. Step 3: Cross multiply
    4,182.18x = 6,268.51 × 1,715.64
  4. Step 4: Simplify right side
    4,182.18x = 10,754,506.50
  5. Step 5: Solve for x
    x = 10,754,506.50/4,182.18
  6. Step 6: Final answer
    x = 2,571.51

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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.