Home / 7,639.91-10,544.04-4,656.68

Finding the Fourth Proportional to 7,639.91, 10,544.04 and 4,656.68

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Solution

The fourth proportional to 7,639.91, 10,544.04 and 4,656.68 is: 6,426.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.91 : 10,544.04 = 4,656.68 : x
  2. Step 2: Convert to fraction form
    7,639.91/10,544.04 = 4,656.68/x
  3. Step 3: Cross multiply
    7,639.91x = 10,544.04 × 4,656.68
  4. Step 4: Simplify right side
    7,639.91x = 49,100,220.19
  5. Step 5: Solve for x
    x = 49,100,220.19/7,639.91
  6. Step 6: Final answer
    x = 6,426.81

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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.