Home / 8,728.60-13,093.44-4,290.52

Finding the Fourth Proportional to 8,728.60, 13,093.44 and 4,290.52

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Solution

The fourth proportional to 8,728.60, 13,093.44 and 4,290.52 is: 6,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.60 : 13,093.44 = 4,290.52 : x
  2. Step 2: Convert to fraction form
    8,728.60/13,093.44 = 4,290.52/x
  3. Step 3: Cross multiply
    8,728.60x = 13,093.44 × 4,290.52
  4. Step 4: Simplify right side
    8,728.60x = 56,177,666.19
  5. Step 5: Solve for x
    x = 56,177,666.19/8,728.60
  6. Step 6: Final answer
    x = 6,436.05

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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.