Home / 10,280.27-15,421.37-2,884.70

Finding the Fourth Proportional to 10,280.27, 15,421.37 and 2,884.70

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Solution

The fourth proportional to 10,280.27, 15,421.37 and 2,884.70 is: 4,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.27 : 15,421.37 = 2,884.70 : x
  2. Step 2: Convert to fraction form
    10,280.27/15,421.37 = 2,884.70/x
  3. Step 3: Cross multiply
    10,280.27x = 15,421.37 × 2,884.70
  4. Step 4: Simplify right side
    10,280.27x = 44,485,994.70
  5. Step 5: Solve for x
    x = 44,485,994.70/10,280.27
  6. Step 6: Final answer
    x = 4,327.32

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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.