Home / 8,734.28-12,054.13-5,379.05

Finding the Fourth Proportional to 8,734.28, 12,054.13 and 5,379.05

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Solution

The fourth proportional to 8,734.28, 12,054.13 and 5,379.05 is: 7,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.28 : 12,054.13 = 5,379.05 : x
  2. Step 2: Convert to fraction form
    8,734.28/12,054.13 = 5,379.05/x
  3. Step 3: Cross multiply
    8,734.28x = 12,054.13 × 5,379.05
  4. Step 4: Simplify right side
    8,734.28x = 64,839,784.66
  5. Step 5: Solve for x
    x = 64,839,784.66/8,734.28
  6. Step 6: Final answer
    x = 7,423.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.