Home / 8,728.13-13,087.54-4,558.05

Finding the Fourth Proportional to 8,728.13, 13,087.54 and 4,558.05

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Solution

The fourth proportional to 8,728.13, 13,087.54 and 4,558.05 is: 6,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.13 : 13,087.54 = 4,558.05 : x
  2. Step 2: Convert to fraction form
    8,728.13/13,087.54 = 4,558.05/x
  3. Step 3: Cross multiply
    8,728.13x = 13,087.54 × 4,558.05
  4. Step 4: Simplify right side
    8,728.13x = 59,653,661.70
  5. Step 5: Solve for x
    x = 59,653,661.70/8,728.13
  6. Step 6: Final answer
    x = 6,834.64

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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.