Home / 6,123.60-9,190.80-4,892.40

Finding the Fourth Proportional to 6,123.60, 9,190.80 and 4,892.40

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Solution

The fourth proportional to 6,123.60, 9,190.80 and 4,892.40 is: 7,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.60 : 9,190.80 = 4,892.40 : x
  2. Step 2: Convert to fraction form
    6,123.60/9,190.80 = 4,892.40/x
  3. Step 3: Cross multiply
    6,123.60x = 9,190.80 × 4,892.40
  4. Step 4: Simplify right side
    6,123.60x = 44,965,069.92
  5. Step 5: Solve for x
    x = 44,965,069.92/6,123.60
  6. Step 6: Final answer
    x = 7,342.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.