Home / 5,084.57-7,626.80-1,386.72

Finding the Fourth Proportional to 5,084.57, 7,626.80 and 1,386.72

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Solution

The fourth proportional to 5,084.57, 7,626.80 and 1,386.72 is: 2,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.57 : 7,626.80 = 1,386.72 : x
  2. Step 2: Convert to fraction form
    5,084.57/7,626.80 = 1,386.72/x
  3. Step 3: Cross multiply
    5,084.57x = 7,626.80 × 1,386.72
  4. Step 4: Simplify right side
    5,084.57x = 10,576,229.16
  5. Step 5: Solve for x
    x = 10,576,229.16/5,084.57
  6. Step 6: Final answer
    x = 2,080.07

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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.