Home / 9,161.03-12,642.28-4,969.28

Finding the Fourth Proportional to 9,161.03, 12,642.28 and 4,969.28

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Solution

The fourth proportional to 9,161.03, 12,642.28 and 4,969.28 is: 6,857.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.03 : 12,642.28 = 4,969.28 : x
  2. Step 2: Convert to fraction form
    9,161.03/12,642.28 = 4,969.28/x
  3. Step 3: Cross multiply
    9,161.03x = 12,642.28 × 4,969.28
  4. Step 4: Simplify right side
    9,161.03x = 62,823,048.34
  5. Step 5: Solve for x
    x = 62,823,048.34/9,161.03
  6. Step 6: Final answer
    x = 6,857.64

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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.