Home / 8,947.67-13,420.55-2,284.20

Finding the Fourth Proportional to 8,947.67, 13,420.55 and 2,284.20

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Solution

The fourth proportional to 8,947.67, 13,420.55 and 2,284.20 is: 3,426.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.67 : 13,420.55 = 2,284.20 : x
  2. Step 2: Convert to fraction form
    8,947.67/13,420.55 = 2,284.20/x
  3. Step 3: Cross multiply
    8,947.67x = 13,420.55 × 2,284.20
  4. Step 4: Simplify right side
    8,947.67x = 30,655,226.02
  5. Step 5: Solve for x
    x = 30,655,226.02/8,947.67
  6. Step 6: Final answer
    x = 3,426.06

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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.