Home / 7,371.05-10,154.75-5,129.08

Finding the Fourth Proportional to 7,371.05, 10,154.75 and 5,129.08

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Solution

The fourth proportional to 7,371.05, 10,154.75 and 5,129.08 is: 7,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.05 : 10,154.75 = 5,129.08 : x
  2. Step 2: Convert to fraction form
    7,371.05/10,154.75 = 5,129.08/x
  3. Step 3: Cross multiply
    7,371.05x = 10,154.75 × 5,129.08
  4. Step 4: Simplify right side
    7,371.05x = 52,084,448.71
  5. Step 5: Solve for x
    x = 52,084,448.71/7,371.05
  6. Step 6: Final answer
    x = 7,066.08

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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.