Home / 4,614.74-6,365.91-3,123.15

Finding the Fourth Proportional to 4,614.74, 6,365.91 and 3,123.15

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Solution

The fourth proportional to 4,614.74, 6,365.91 and 3,123.15 is: 4,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,614.74 : 6,365.91 = 3,123.15 : x
  2. Step 2: Convert to fraction form
    4,614.74/6,365.91 = 3,123.15/x
  3. Step 3: Cross multiply
    4,614.74x = 6,365.91 × 3,123.15
  4. Step 4: Simplify right side
    4,614.74x = 19,881,676.20
  5. Step 5: Solve for x
    x = 19,881,676.20/4,614.74
  6. Step 6: Final answer
    x = 4,308.30

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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.