Home / 7,629.07-10,527.78-4,272.02

Finding the Fourth Proportional to 7,629.07, 10,527.78 and 4,272.02

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Solution

The fourth proportional to 7,629.07, 10,527.78 and 4,272.02 is: 5,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.07 : 10,527.78 = 4,272.02 : x
  2. Step 2: Convert to fraction form
    7,629.07/10,527.78 = 4,272.02/x
  3. Step 3: Cross multiply
    7,629.07x = 10,527.78 × 4,272.02
  4. Step 4: Simplify right side
    7,629.07x = 44,974,886.72
  5. Step 5: Solve for x
    x = 44,974,886.72/7,629.07
  6. Step 6: Final answer
    x = 5,895.20

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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.