Home / 7,124.20-10,664.70-6,346.60

Finding the Fourth Proportional to 7,124.20, 10,664.70 and 6,346.60

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Solution

The fourth proportional to 7,124.20, 10,664.70 and 6,346.60 is: 9,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.20 : 10,664.70 = 6,346.60 : x
  2. Step 2: Convert to fraction form
    7,124.20/10,664.70 = 6,346.60/x
  3. Step 3: Cross multiply
    7,124.20x = 10,664.70 × 6,346.60
  4. Step 4: Simplify right side
    7,124.20x = 67,684,585.02
  5. Step 5: Solve for x
    x = 67,684,585.02/7,124.20
  6. Step 6: Final answer
    x = 9,500.66

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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.