Home / 5,155.39-7,713.93-3,076.53

Finding the Fourth Proportional to 5,155.39, 7,713.93 and 3,076.53

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Solution

The fourth proportional to 5,155.39, 7,713.93 and 3,076.53 is: 4,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.39 : 7,713.93 = 3,076.53 : x
  2. Step 2: Convert to fraction form
    5,155.39/7,713.93 = 3,076.53/x
  3. Step 3: Cross multiply
    5,155.39x = 7,713.93 × 3,076.53
  4. Step 4: Simplify right side
    5,155.39x = 23,732,137.06
  5. Step 5: Solve for x
    x = 23,732,137.06/5,155.39
  6. Step 6: Final answer
    x = 4,603.36

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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.