Home / 6,143.01-8,472.78-4,814.07

Finding the Fourth Proportional to 6,143.01, 8,472.78 and 4,814.07

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Solution

The fourth proportional to 6,143.01, 8,472.78 and 4,814.07 is: 6,639.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.01 : 8,472.78 = 4,814.07 : x
  2. Step 2: Convert to fraction form
    6,143.01/8,472.78 = 4,814.07/x
  3. Step 3: Cross multiply
    6,143.01x = 8,472.78 × 4,814.07
  4. Step 4: Simplify right side
    6,143.01x = 40,788,556.01
  5. Step 5: Solve for x
    x = 40,788,556.01/6,143.01
  6. Step 6: Final answer
    x = 6,639.83

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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.