Home / 4,065.84-5,641.56-3,901.32

Finding the Fourth Proportional to 4,065.84, 5,641.56 and 3,901.32

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Solution

The fourth proportional to 4,065.84, 5,641.56 and 3,901.32 is: 5,413.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.84 : 5,641.56 = 3,901.32 : x
  2. Step 2: Convert to fraction form
    4,065.84/5,641.56 = 3,901.32/x
  3. Step 3: Cross multiply
    4,065.84x = 5,641.56 × 3,901.32
  4. Step 4: Simplify right side
    4,065.84x = 22,009,530.86
  5. Step 5: Solve for x
    x = 22,009,530.86/4,065.84
  6. Step 6: Final answer
    x = 5,413.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.