Home / 5,477.08-7,558.38-3,119.22

Finding the Fourth Proportional to 5,477.08, 7,558.38 and 3,119.22

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Solution

The fourth proportional to 5,477.08, 7,558.38 and 3,119.22 is: 4,304.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.08 : 7,558.38 = 3,119.22 : x
  2. Step 2: Convert to fraction form
    5,477.08/7,558.38 = 3,119.22/x
  3. Step 3: Cross multiply
    5,477.08x = 7,558.38 × 3,119.22
  4. Step 4: Simplify right side
    5,477.08x = 23,576,250.06
  5. Step 5: Solve for x
    x = 23,576,250.06/5,477.08
  6. Step 6: Final answer
    x = 4,304.53

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Half scale
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Double scale
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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.