Home / 5,477.76-7,558.92-3,119.46

Finding the Fourth Proportional to 5,477.76, 7,558.92 and 3,119.46

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Solution

The fourth proportional to 5,477.76, 7,558.92 and 3,119.46 is: 4,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.76 : 7,558.92 = 3,119.46 : x
  2. Step 2: Convert to fraction form
    5,477.76/7,558.92 = 3,119.46/x
  3. Step 3: Cross multiply
    5,477.76x = 7,558.92 × 3,119.46
  4. Step 4: Simplify right side
    5,477.76x = 23,579,748.58
  5. Step 5: Solve for x
    x = 23,579,748.58/5,477.76
  6. Step 6: Final answer
    x = 4,304.63

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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.