Home / 4,088.06-5,639.44-2,672.57

Finding the Fourth Proportional to 4,088.06, 5,639.44 and 2,672.57

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Solution

The fourth proportional to 4,088.06, 5,639.44 and 2,672.57 is: 3,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.06 : 5,639.44 = 2,672.57 : x
  2. Step 2: Convert to fraction form
    4,088.06/5,639.44 = 2,672.57/x
  3. Step 3: Cross multiply
    4,088.06x = 5,639.44 × 2,672.57
  4. Step 4: Simplify right side
    4,088.06x = 15,071,798.16
  5. Step 5: Solve for x
    x = 15,071,798.16/4,088.06
  6. Step 6: Final answer
    x = 3,686.78

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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.