Home / 7,629.46-10,528.14-4,272.20

Finding the Fourth Proportional to 7,629.46, 10,528.14 and 4,272.20

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Solution

The fourth proportional to 7,629.46, 10,528.14 and 4,272.20 is: 5,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.46 : 10,528.14 = 4,272.20 : x
  2. Step 2: Convert to fraction form
    7,629.46/10,528.14 = 4,272.20/x
  3. Step 3: Cross multiply
    7,629.46x = 10,528.14 × 4,272.20
  4. Step 4: Simplify right side
    7,629.46x = 44,978,319.71
  5. Step 5: Solve for x
    x = 44,978,319.71/7,629.46
  6. Step 6: Final answer
    x = 5,895.35

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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.