Home / 7,109.03-9,810.33-4,125.14

Finding the Fourth Proportional to 7,109.03, 9,810.33 and 4,125.14

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Solution

The fourth proportional to 7,109.03, 9,810.33 and 4,125.14 is: 5,692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.03 : 9,810.33 = 4,125.14 : x
  2. Step 2: Convert to fraction form
    7,109.03/9,810.33 = 4,125.14/x
  3. Step 3: Cross multiply
    7,109.03x = 9,810.33 × 4,125.14
  4. Step 4: Simplify right side
    7,109.03x = 40,468,984.70
  5. Step 5: Solve for x
    x = 40,468,984.70/7,109.03
  6. Step 6: Final answer
    x = 5,692.62

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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.