Home / 7,645.62-10,551.06-4,620.32

Finding the Fourth Proportional to 7,645.62, 10,551.06 and 4,620.32

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Solution

The fourth proportional to 7,645.62, 10,551.06 and 4,620.32 is: 6,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.62 : 10,551.06 = 4,620.32 : x
  2. Step 2: Convert to fraction form
    7,645.62/10,551.06 = 4,620.32/x
  3. Step 3: Cross multiply
    7,645.62x = 10,551.06 × 4,620.32
  4. Step 4: Simplify right side
    7,645.62x = 48,749,273.54
  5. Step 5: Solve for x
    x = 48,749,273.54/7,645.62
  6. Step 6: Final answer
    x = 6,376.10

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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.