Home / 5,477.64-7,558.74-3,119.70

Finding the Fourth Proportional to 5,477.64, 7,558.74 and 3,119.70

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Solution

The fourth proportional to 5,477.64, 7,558.74 and 3,119.70 is: 4,304.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.64 : 7,558.74 = 3,119.70 : x
  2. Step 2: Convert to fraction form
    5,477.64/7,558.74 = 3,119.70/x
  3. Step 3: Cross multiply
    5,477.64x = 7,558.74 × 3,119.70
  4. Step 4: Simplify right side
    5,477.64x = 23,581,001.18
  5. Step 5: Solve for x
    x = 23,581,001.18/5,477.64
  6. Step 6: Final answer
    x = 4,304.96

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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.