Home / 7,110.76-9,803.22-5,320.86

Finding the Fourth Proportional to 7,110.76, 9,803.22 and 5,320.86

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Solution

The fourth proportional to 7,110.76, 9,803.22 and 5,320.86 is: 7,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.76 : 9,803.22 = 5,320.86 : x
  2. Step 2: Convert to fraction form
    7,110.76/9,803.22 = 5,320.86/x
  3. Step 3: Cross multiply
    7,110.76x = 9,803.22 × 5,320.86
  4. Step 4: Simplify right side
    7,110.76x = 52,161,561.17
  5. Step 5: Solve for x
    x = 52,161,561.17/7,110.76
  6. Step 6: Final answer
    x = 7,335.58

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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.