Home / 7,513.05-11,265.78-4,394.07

Finding the Fourth Proportional to 7,513.05, 11,265.78 and 4,394.07

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Solution

The fourth proportional to 7,513.05, 11,265.78 and 4,394.07 is: 6,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.05 : 11,265.78 = 4,394.07 : x
  2. Step 2: Convert to fraction form
    7,513.05/11,265.78 = 4,394.07/x
  3. Step 3: Cross multiply
    7,513.05x = 11,265.78 × 4,394.07
  4. Step 4: Simplify right side
    7,513.05x = 49,502,674.09
  5. Step 5: Solve for x
    x = 49,502,674.09/7,513.05
  6. Step 6: Final answer
    x = 6,588.89

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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.