Home / 7,242.05-10,862.91-2,859.54

Finding the Fourth Proportional to 7,242.05, 10,862.91 and 2,859.54

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Solution

The fourth proportional to 7,242.05, 10,862.91 and 2,859.54 is: 4,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.05 : 10,862.91 = 2,859.54 : x
  2. Step 2: Convert to fraction form
    7,242.05/10,862.91 = 2,859.54/x
  3. Step 3: Cross multiply
    7,242.05x = 10,862.91 × 2,859.54
  4. Step 4: Simplify right side
    7,242.05x = 31,062,925.66
  5. Step 5: Solve for x
    x = 31,062,925.66/7,242.05
  6. Step 6: Final answer
    x = 4,289.25

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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.