Home / 7,041.31-9,716.86-3,854.52

Finding the Fourth Proportional to 7,041.31, 9,716.86 and 3,854.52

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Solution

The fourth proportional to 7,041.31, 9,716.86 and 3,854.52 is: 5,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.31 : 9,716.86 = 3,854.52 : x
  2. Step 2: Convert to fraction form
    7,041.31/9,716.86 = 3,854.52/x
  3. Step 3: Cross multiply
    7,041.31x = 9,716.86 × 3,854.52
  4. Step 4: Simplify right side
    7,041.31x = 37,453,831.21
  5. Step 5: Solve for x
    x = 37,453,831.21/7,041.31
  6. Step 6: Final answer
    x = 5,319.16

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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.