Home / 9,641.21-13,303.37-5,661.95

Finding the Fourth Proportional to 9,641.21, 13,303.37 and 5,661.95

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Solution

The fourth proportional to 9,641.21, 13,303.37 and 5,661.95 is: 7,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,641.21 : 13,303.37 = 5,661.95 : x
  2. Step 2: Convert to fraction form
    9,641.21/13,303.37 = 5,661.95/x
  3. Step 3: Cross multiply
    9,641.21x = 13,303.37 × 5,661.95
  4. Step 4: Simplify right side
    9,641.21x = 75,322,963.41
  5. Step 5: Solve for x
    x = 75,322,963.41/9,641.21
  6. Step 6: Final answer
    x = 7,812.61

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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.