Home / 4,520.84-6,779.40-2,875.11

Finding the Fourth Proportional to 4,520.84, 6,779.40 and 2,875.11

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Solution

The fourth proportional to 4,520.84, 6,779.40 and 2,875.11 is: 4,311.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.84 : 6,779.40 = 2,875.11 : x
  2. Step 2: Convert to fraction form
    4,520.84/6,779.40 = 2,875.11/x
  3. Step 3: Cross multiply
    4,520.84x = 6,779.40 × 2,875.11
  4. Step 4: Simplify right side
    4,520.84x = 19,491,520.73
  5. Step 5: Solve for x
    x = 19,491,520.73/4,520.84
  6. Step 6: Final answer
    x = 4,311.49

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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.