Home / 7,629-10,528.65-4,272.59

Finding the Fourth Proportional to 7,629, 10,528.65 and 4,272.59

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Solution

The fourth proportional to 7,629, 10,528.65 and 4,272.59 is: 5,896.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629 : 10,528.65 = 4,272.59 : x
  2. Step 2: Convert to fraction form
    7,629/10,528.65 = 4,272.59/x
  3. Step 3: Cross multiply
    7,629x = 10,528.65 × 4,272.59
  4. Step 4: Simplify right side
    7,629x = 44,984,552.06
  5. Step 5: Solve for x
    x = 44,984,552.06/7,629
  6. Step 6: Final answer
    x = 5,896.52

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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.