Home / 7,499.77-11,254.68-3,117.22

Finding the Fourth Proportional to 7,499.77, 11,254.68 and 3,117.22

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Solution

The fourth proportional to 7,499.77, 11,254.68 and 3,117.22 is: 4,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.77 : 11,254.68 = 3,117.22 : x
  2. Step 2: Convert to fraction form
    7,499.77/11,254.68 = 3,117.22/x
  3. Step 3: Cross multiply
    7,499.77x = 11,254.68 × 3,117.22
  4. Step 4: Simplify right side
    7,499.77x = 35,083,313.59
  5. Step 5: Solve for x
    x = 35,083,313.59/7,499.77
  6. Step 6: Final answer
    x = 4,677.92

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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.