Home / 4,542.40-6,808.74-1,911.34

Finding the Fourth Proportional to 4,542.40, 6,808.74 and 1,911.34

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Solution

The fourth proportional to 4,542.40, 6,808.74 and 1,911.34 is: 2,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,542.40 : 6,808.74 = 1,911.34 : x
  2. Step 2: Convert to fraction form
    4,542.40/6,808.74 = 1,911.34/x
  3. Step 3: Cross multiply
    4,542.40x = 6,808.74 × 1,911.34
  4. Step 4: Simplify right side
    4,542.40x = 13,013,817.11
  5. Step 5: Solve for x
    x = 13,013,817.11/4,542.40
  6. Step 6: Final answer
    x = 2,864.97

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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.