Home / 9,605.78-13,257.27-5,628.47

Finding the Fourth Proportional to 9,605.78, 13,257.27 and 5,628.47

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Solution

The fourth proportional to 9,605.78, 13,257.27 and 5,628.47 is: 7,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605.78 : 13,257.27 = 5,628.47 : x
  2. Step 2: Convert to fraction form
    9,605.78/13,257.27 = 5,628.47/x
  3. Step 3: Cross multiply
    9,605.78x = 13,257.27 × 5,628.47
  4. Step 4: Simplify right side
    9,605.78x = 74,618,080.19
  5. Step 5: Solve for x
    x = 74,618,080.19/9,605.78
  6. Step 6: Final answer
    x = 7,768.04

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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.