Home / 7,564.19-10,438.47-4,207.14

Finding the Fourth Proportional to 7,564.19, 10,438.47 and 4,207.14

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Solution

The fourth proportional to 7,564.19, 10,438.47 and 4,207.14 is: 5,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.19 : 10,438.47 = 4,207.14 : x
  2. Step 2: Convert to fraction form
    7,564.19/10,438.47 = 4,207.14/x
  3. Step 3: Cross multiply
    7,564.19x = 10,438.47 × 4,207.14
  4. Step 4: Simplify right side
    7,564.19x = 43,916,104.68
  5. Step 5: Solve for x
    x = 43,916,104.68/7,564.19
  6. Step 6: Final answer
    x = 5,805.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.