Home / 5,084.75-7,627.13-1,386.98

Finding the Fourth Proportional to 5,084.75, 7,627.13 and 1,386.98

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Solution

The fourth proportional to 5,084.75, 7,627.13 and 1,386.98 is: 2,080.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.75 : 7,627.13 = 1,386.98 : x
  2. Step 2: Convert to fraction form
    5,084.75/7,627.13 = 1,386.98/x
  3. Step 3: Cross multiply
    5,084.75x = 7,627.13 × 1,386.98
  4. Step 4: Simplify right side
    5,084.75x = 10,578,631.70
  5. Step 5: Solve for x
    x = 10,578,631.70/5,084.75
  6. Step 6: Final answer
    x = 2,080.46

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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.