Home / 4,892.40-6,748.56-3,123.36

Finding the Fourth Proportional to 4,892.40, 6,748.56 and 3,123.36

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Solution

The fourth proportional to 4,892.40, 6,748.56 and 3,123.36 is: 4,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.40 : 6,748.56 = 3,123.36 : x
  2. Step 2: Convert to fraction form
    4,892.40/6,748.56 = 3,123.36/x
  3. Step 3: Cross multiply
    4,892.40x = 6,748.56 × 3,123.36
  4. Step 4: Simplify right side
    4,892.40x = 21,078,182.36
  5. Step 5: Solve for x
    x = 21,078,182.36/4,892.40
  6. Step 6: Final answer
    x = 4,308.35

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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.