Home / 5,675.28-8,513.15-1,977.89

Finding the Fourth Proportional to 5,675.28, 8,513.15 and 1,977.89

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Solution

The fourth proportional to 5,675.28, 8,513.15 and 1,977.89 is: 2,966.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.28 : 8,513.15 = 1,977.89 : x
  2. Step 2: Convert to fraction form
    5,675.28/8,513.15 = 1,977.89/x
  3. Step 3: Cross multiply
    5,675.28x = 8,513.15 × 1,977.89
  4. Step 4: Simplify right side
    5,675.28x = 16,838,021.80
  5. Step 5: Solve for x
    x = 16,838,021.80/5,675.28
  6. Step 6: Final answer
    x = 2,966.91

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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.