Home / 5,009.09-7,513.46-1,311.29

Finding the Fourth Proportional to 5,009.09, 7,513.46 and 1,311.29

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Solution

The fourth proportional to 5,009.09, 7,513.46 and 1,311.29 is: 1,966.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.09 : 7,513.46 = 1,311.29 : x
  2. Step 2: Convert to fraction form
    5,009.09/7,513.46 = 1,311.29/x
  3. Step 3: Cross multiply
    5,009.09x = 7,513.46 × 1,311.29
  4. Step 4: Simplify right side
    5,009.09x = 9,852,313.93
  5. Step 5: Solve for x
    x = 9,852,313.93/5,009.09
  6. Step 6: Final answer
    x = 1,966.89

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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.