Home / 9,728.37-13,425.48-5,752.89

Finding the Fourth Proportional to 9,728.37, 13,425.48 and 5,752.89

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Solution

The fourth proportional to 9,728.37, 13,425.48 and 5,752.89 is: 7,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728.37 : 13,425.48 = 5,752.89 : x
  2. Step 2: Convert to fraction form
    9,728.37/13,425.48 = 5,752.89/x
  3. Step 3: Cross multiply
    9,728.37x = 13,425.48 × 5,752.89
  4. Step 4: Simplify right side
    9,728.37x = 77,235,309.64
  5. Step 5: Solve for x
    x = 77,235,309.64/9,728.37
  6. Step 6: Final answer
    x = 7,939.18

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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.