Home / 7,630.39-11,448.69-4,124.71

Finding the Fourth Proportional to 7,630.39, 11,448.69 and 4,124.71

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Solution

The fourth proportional to 7,630.39, 11,448.69 and 4,124.71 is: 6,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.39 : 11,448.69 = 4,124.71 : x
  2. Step 2: Convert to fraction form
    7,630.39/11,448.69 = 4,124.71/x
  3. Step 3: Cross multiply
    7,630.39x = 11,448.69 × 4,124.71
  4. Step 4: Simplify right side
    7,630.39x = 47,222,526.13
  5. Step 5: Solve for x
    x = 47,222,526.13/7,630.39
  6. Step 6: Final answer
    x = 6,188.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.