Home / 5,911.04-8,864.64-2,790.56

Finding the Fourth Proportional to 5,911.04, 8,864.64 and 2,790.56

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Solution

The fourth proportional to 5,911.04, 8,864.64 and 2,790.56 is: 4,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.04 : 8,864.64 = 2,790.56 : x
  2. Step 2: Convert to fraction form
    5,911.04/8,864.64 = 2,790.56/x
  3. Step 3: Cross multiply
    5,911.04x = 8,864.64 × 2,790.56
  4. Step 4: Simplify right side
    5,911.04x = 24,737,309.80
  5. Step 5: Solve for x
    x = 24,737,309.80/5,911.04
  6. Step 6: Final answer
    x = 4,184.93

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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.