Home / 5,386.39-8,080.19-2,463.91

Finding the Fourth Proportional to 5,386.39, 8,080.19 and 2,463.91

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Solution

The fourth proportional to 5,386.39, 8,080.19 and 2,463.91 is: 3,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.39 : 8,080.19 = 2,463.91 : x
  2. Step 2: Convert to fraction form
    5,386.39/8,080.19 = 2,463.91/x
  3. Step 3: Cross multiply
    5,386.39x = 8,080.19 × 2,463.91
  4. Step 4: Simplify right side
    5,386.39x = 19,908,860.94
  5. Step 5: Solve for x
    x = 19,908,860.94/5,386.39
  6. Step 6: Final answer
    x = 3,696.14

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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.