Home / 9,748.47-13,452.86-5,272.22

Finding the Fourth Proportional to 9,748.47, 13,452.86 and 5,272.22

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Solution

The fourth proportional to 9,748.47, 13,452.86 and 5,272.22 is: 7,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,748.47 : 13,452.86 = 5,272.22 : x
  2. Step 2: Convert to fraction form
    9,748.47/13,452.86 = 5,272.22/x
  3. Step 3: Cross multiply
    9,748.47x = 13,452.86 × 5,272.22
  4. Step 4: Simplify right side
    9,748.47x = 70,926,437.55
  5. Step 5: Solve for x
    x = 70,926,437.55/9,748.47
  6. Step 6: Final answer
    x = 7,275.65

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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.