Home / 5,555.71-7,667.81-3,197.35

Finding the Fourth Proportional to 5,555.71, 7,667.81 and 3,197.35

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Solution

The fourth proportional to 5,555.71, 7,667.81 and 3,197.35 is: 4,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.71 : 7,667.81 = 3,197.35 : x
  2. Step 2: Convert to fraction form
    5,555.71/7,667.81 = 3,197.35/x
  3. Step 3: Cross multiply
    5,555.71x = 7,667.81 × 3,197.35
  4. Step 4: Simplify right side
    5,555.71x = 24,516,672.30
  5. Step 5: Solve for x
    x = 24,516,672.30/5,555.71
  6. Step 6: Final answer
    x = 4,412.88

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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.