Home / 7,629.31-10,528.68-4,272.11

Finding the Fourth Proportional to 7,629.31, 10,528.68 and 4,272.11

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Solution

The fourth proportional to 7,629.31, 10,528.68 and 4,272.11 is: 5,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.31 : 10,528.68 = 4,272.11 : x
  2. Step 2: Convert to fraction form
    7,629.31/10,528.68 = 4,272.11/x
  3. Step 3: Cross multiply
    7,629.31x = 10,528.68 × 4,272.11
  4. Step 4: Simplify right side
    7,629.31x = 44,979,679.11
  5. Step 5: Solve for x
    x = 44,979,679.11/7,629.31
  6. Step 6: Final answer
    x = 5,895.64

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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.