Home / 5,515.07-8,270.42-4,347.32

Finding the Fourth Proportional to 5,515.07, 8,270.42 and 4,347.32

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Solution

The fourth proportional to 5,515.07, 8,270.42 and 4,347.32 is: 6,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.07 : 8,270.42 = 4,347.32 : x
  2. Step 2: Convert to fraction form
    5,515.07/8,270.42 = 4,347.32/x
  3. Step 3: Cross multiply
    5,515.07x = 8,270.42 × 4,347.32
  4. Step 4: Simplify right side
    5,515.07x = 35,954,099.19
  5. Step 5: Solve for x
    x = 35,954,099.19/5,515.07
  6. Step 6: Final answer
    x = 6,519.25

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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.