Home / 7,119.62-9,827.08-4,134.91

Finding the Fourth Proportional to 7,119.62, 9,827.08 and 4,134.91

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Solution

The fourth proportional to 7,119.62, 9,827.08 and 4,134.91 is: 5,707.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.62 : 9,827.08 = 4,134.91 : x
  2. Step 2: Convert to fraction form
    7,119.62/9,827.08 = 4,134.91/x
  3. Step 3: Cross multiply
    7,119.62x = 9,827.08 × 4,134.91
  4. Step 4: Simplify right side
    7,119.62x = 40,634,056.46
  5. Step 5: Solve for x
    x = 40,634,056.46/7,119.62
  6. Step 6: Final answer
    x = 5,707.33

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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.