Home / 4,875.22-7,311.92-1,913.54

Finding the Fourth Proportional to 4,875.22, 7,311.92 and 1,913.54

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Solution

The fourth proportional to 4,875.22, 7,311.92 and 1,913.54 is: 2,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.22 : 7,311.92 = 1,913.54 : x
  2. Step 2: Convert to fraction form
    4,875.22/7,311.92 = 1,913.54/x
  3. Step 3: Cross multiply
    4,875.22x = 7,311.92 × 1,913.54
  4. Step 4: Simplify right side
    4,875.22x = 13,991,646.40
  5. Step 5: Solve for x
    x = 13,991,646.40/4,875.22
  6. Step 6: Final answer
    x = 2,869.95

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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.