Home / 7,109.44-9,812.28-4,459.12

Finding the Fourth Proportional to 7,109.44, 9,812.28 and 4,459.12

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Solution

The fourth proportional to 7,109.44, 9,812.28 and 4,459.12 is: 6,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.44 : 9,812.28 = 4,459.12 : x
  2. Step 2: Convert to fraction form
    7,109.44/9,812.28 = 4,459.12/x
  3. Step 3: Cross multiply
    7,109.44x = 9,812.28 × 4,459.12
  4. Step 4: Simplify right side
    7,109.44x = 43,754,133.99
  5. Step 5: Solve for x
    x = 43,754,133.99/7,109.44
  6. Step 6: Final answer
    x = 6,154.37

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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.