Home / 7,501.71-11,253.78-3,605.61

Finding the Fourth Proportional to 7,501.71, 11,253.78 and 3,605.61

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Solution

The fourth proportional to 7,501.71, 11,253.78 and 3,605.61 is: 5,409.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,501.71 : 11,253.78 = 3,605.61 : x
  2. Step 2: Convert to fraction form
    7,501.71/11,253.78 = 3,605.61/x
  3. Step 3: Cross multiply
    7,501.71x = 11,253.78 × 3,605.61
  4. Step 4: Simplify right side
    7,501.71x = 40,576,741.71
  5. Step 5: Solve for x
    x = 40,576,741.71/7,501.71
  6. Step 6: Final answer
    x = 5,409.00

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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.