Home / 7,709.18-10,639.14-4,350.77

Finding the Fourth Proportional to 7,709.18, 10,639.14 and 4,350.77

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Solution

The fourth proportional to 7,709.18, 10,639.14 and 4,350.77 is: 6,004.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.18 : 10,639.14 = 4,350.77 : x
  2. Step 2: Convert to fraction form
    7,709.18/10,639.14 = 4,350.77/x
  3. Step 3: Cross multiply
    7,709.18x = 10,639.14 × 4,350.77
  4. Step 4: Simplify right side
    7,709.18x = 46,288,451.14
  5. Step 5: Solve for x
    x = 46,288,451.14/7,709.18
  6. Step 6: Final answer
    x = 6,004.33

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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.