Home / 7,403.27-11,121.30-6,320.70

Finding the Fourth Proportional to 7,403.27, 11,121.30 and 6,320.70

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Solution

The fourth proportional to 7,403.27, 11,121.30 and 6,320.70 is: 9,495.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.27 : 11,121.30 = 6,320.70 : x
  2. Step 2: Convert to fraction form
    7,403.27/11,121.30 = 6,320.70/x
  3. Step 3: Cross multiply
    7,403.27x = 11,121.30 × 6,320.70
  4. Step 4: Simplify right side
    7,403.27x = 70,294,400.91
  5. Step 5: Solve for x
    x = 70,294,400.91/7,403.27
  6. Step 6: Final answer
    x = 9,495.05

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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.