Home / 7,646.58-10,552.78-4,289.60

Finding the Fourth Proportional to 7,646.58, 10,552.78 and 4,289.60

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Solution

The fourth proportional to 7,646.58, 10,552.78 and 4,289.60 is: 5,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.58 : 10,552.78 = 4,289.60 : x
  2. Step 2: Convert to fraction form
    7,646.58/10,552.78 = 4,289.60/x
  3. Step 3: Cross multiply
    7,646.58x = 10,552.78 × 4,289.60
  4. Step 4: Simplify right side
    7,646.58x = 45,267,205.09
  5. Step 5: Solve for x
    x = 45,267,205.09/7,646.58
  6. Step 6: Final answer
    x = 5,919.93

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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.