Home / 5,477.02-7,558.85-3,119.31

Finding the Fourth Proportional to 5,477.02, 7,558.85 and 3,119.31

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Solution

The fourth proportional to 5,477.02, 7,558.85 and 3,119.31 is: 4,304.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.02 : 7,558.85 = 3,119.31 : x
  2. Step 2: Convert to fraction form
    5,477.02/7,558.85 = 3,119.31/x
  3. Step 3: Cross multiply
    5,477.02x = 7,558.85 × 3,119.31
  4. Step 4: Simplify right side
    5,477.02x = 23,578,404.19
  5. Step 5: Solve for x
    x = 23,578,404.19/5,477.02
  6. Step 6: Final answer
    x = 4,304.97

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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.