Home / 5,112.60-7,056.63-3,124.83

Finding the Fourth Proportional to 5,112.60, 7,056.63 and 3,124.83

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Solution

The fourth proportional to 5,112.60, 7,056.63 and 3,124.83 is: 4,313.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.60 : 7,056.63 = 3,124.83 : x
  2. Step 2: Convert to fraction form
    5,112.60/7,056.63 = 3,124.83/x
  3. Step 3: Cross multiply
    5,112.60x = 7,056.63 × 3,124.83
  4. Step 4: Simplify right side
    5,112.60x = 22,050,769.12
  5. Step 5: Solve for x
    x = 22,050,769.12/5,112.60
  6. Step 6: Final answer
    x = 4,313.02

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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.