Home / 7,628.40-10,529.19-4,646.25

Finding the Fourth Proportional to 7,628.40, 10,529.19 and 4,646.25

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Solution

The fourth proportional to 7,628.40, 10,529.19 and 4,646.25 is: 6,413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.40 : 10,529.19 = 4,646.25 : x
  2. Step 2: Convert to fraction form
    7,628.40/10,529.19 = 4,646.25/x
  3. Step 3: Cross multiply
    7,628.40x = 10,529.19 × 4,646.25
  4. Step 4: Simplify right side
    7,628.40x = 48,921,249.04
  5. Step 5: Solve for x
    x = 48,921,249.04/7,628.40
  6. Step 6: Final answer
    x = 6,413.04

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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.