Home / 9,069.62-13,602.60-2,828.79

Finding the Fourth Proportional to 9,069.62, 13,602.60 and 2,828.79

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Solution

The fourth proportional to 9,069.62, 13,602.60 and 2,828.79 is: 4,242.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.62 : 13,602.60 = 2,828.79 : x
  2. Step 2: Convert to fraction form
    9,069.62/13,602.60 = 2,828.79/x
  3. Step 3: Cross multiply
    9,069.62x = 13,602.60 × 2,828.79
  4. Step 4: Simplify right side
    9,069.62x = 38,478,898.85
  5. Step 5: Solve for x
    x = 38,478,898.85/9,069.62
  6. Step 6: Final answer
    x = 4,242.62

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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.