Home / 10,875.68-16,310.85-3,478.60

Finding the Fourth Proportional to 10,875.68, 16,310.85 and 3,478.60

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Solution

The fourth proportional to 10,875.68, 16,310.85 and 3,478.60 is: 5,217.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.68 : 16,310.85 = 3,478.60 : x
  2. Step 2: Convert to fraction form
    10,875.68/16,310.85 = 3,478.60/x
  3. Step 3: Cross multiply
    10,875.68x = 16,310.85 × 3,478.60
  4. Step 4: Simplify right side
    10,875.68x = 56,738,922.81
  5. Step 5: Solve for x
    x = 56,738,922.81/10,875.68
  6. Step 6: Final answer
    x = 5,217.05

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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.