Home / 6,969.09-10,455.28-2,289.49

Finding the Fourth Proportional to 6,969.09, 10,455.28 and 2,289.49

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Solution

The fourth proportional to 6,969.09, 10,455.28 and 2,289.49 is: 3,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.09 : 10,455.28 = 2,289.49 : x
  2. Step 2: Convert to fraction form
    6,969.09/10,455.28 = 2,289.49/x
  3. Step 3: Cross multiply
    6,969.09x = 10,455.28 × 2,289.49
  4. Step 4: Simplify right side
    6,969.09x = 23,937,259.01
  5. Step 5: Solve for x
    x = 23,937,259.01/6,969.09
  6. Step 6: Final answer
    x = 3,434.78

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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.