Home / 7,629.64-10,530.96-4,487.92

Finding the Fourth Proportional to 7,629.64, 10,530.96 and 4,487.92

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Solution

The fourth proportional to 7,629.64, 10,530.96 and 4,487.92 is: 6,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.64 : 10,530.96 = 4,487.92 : x
  2. Step 2: Convert to fraction form
    7,629.64/10,530.96 = 4,487.92/x
  3. Step 3: Cross multiply
    7,629.64x = 10,530.96 × 4,487.92
  4. Step 4: Simplify right side
    7,629.64x = 47,262,106.00
  5. Step 5: Solve for x
    x = 47,262,106.00/7,629.64
  6. Step 6: Final answer
    x = 6,194.54

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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.