Home / 9,478.44-13,078.02-5,751.72

Finding the Fourth Proportional to 9,478.44, 13,078.02 and 5,751.72

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Solution

The fourth proportional to 9,478.44, 13,078.02 and 5,751.72 is: 7,936.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.44 : 13,078.02 = 5,751.72 : x
  2. Step 2: Convert to fraction form
    9,478.44/13,078.02 = 5,751.72/x
  3. Step 3: Cross multiply
    9,478.44x = 13,078.02 × 5,751.72
  4. Step 4: Simplify right side
    9,478.44x = 75,221,109.19
  5. Step 5: Solve for x
    x = 75,221,109.19/9,478.44
  6. Step 6: Final answer
    x = 7,936.02

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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.