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Finding the Fourth Proportional to 7,124.76, 9,835.62 and 5,004.79

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Solution

The fourth proportional to 7,124.76, 9,835.62 and 5,004.79 is: 6,909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.76 : 9,835.62 = 5,004.79 : x
  2. Step 2: Convert to fraction form
    7,124.76/9,835.62 = 5,004.79/x
  3. Step 3: Cross multiply
    7,124.76x = 9,835.62 × 5,004.79
  4. Step 4: Simplify right side
    7,124.76x = 49,225,212.62
  5. Step 5: Solve for x
    x = 49,225,212.62/7,124.76
  6. Step 6: Final answer
    x = 6,909.04

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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.