Home / 5,084.48-7,013.92-3,840.32

Finding the Fourth Proportional to 5,084.48, 7,013.92 and 3,840.32

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Solution

The fourth proportional to 5,084.48, 7,013.92 and 3,840.32 is: 5,297.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.48 : 7,013.92 = 3,840.32 : x
  2. Step 2: Convert to fraction form
    5,084.48/7,013.92 = 3,840.32/x
  3. Step 3: Cross multiply
    5,084.48x = 7,013.92 × 3,840.32
  4. Step 4: Simplify right side
    5,084.48x = 26,935,697.25
  5. Step 5: Solve for x
    x = 26,935,697.25/5,084.48
  6. Step 6: Final answer
    x = 5,297.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.