Home / 7,390.89-11,022.23-6,302.25

Finding the Fourth Proportional to 7,390.89, 11,022.23 and 6,302.25

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Solution

The fourth proportional to 7,390.89, 11,022.23 and 6,302.25 is: 9,398.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.89 : 11,022.23 = 6,302.25 : x
  2. Step 2: Convert to fraction form
    7,390.89/11,022.23 = 6,302.25/x
  3. Step 3: Cross multiply
    7,390.89x = 11,022.23 × 6,302.25
  4. Step 4: Simplify right side
    7,390.89x = 69,464,864.77
  5. Step 5: Solve for x
    x = 69,464,864.77/7,390.89
  6. Step 6: Final answer
    x = 9,398.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.