Home / 8,378.72-12,563.27-3,444.29

Finding the Fourth Proportional to 8,378.72, 12,563.27 and 3,444.29

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Solution

The fourth proportional to 8,378.72, 12,563.27 and 3,444.29 is: 5,164.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378.72 : 12,563.27 = 3,444.29 : x
  2. Step 2: Convert to fraction form
    8,378.72/12,563.27 = 3,444.29/x
  3. Step 3: Cross multiply
    8,378.72x = 12,563.27 × 3,444.29
  4. Step 4: Simplify right side
    8,378.72x = 43,271,465.19
  5. Step 5: Solve for x
    x = 43,271,465.19/8,378.72
  6. Step 6: Final answer
    x = 5,164.45

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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.