Home / 9,160.90-12,642.03-4,969.15

Finding the Fourth Proportional to 9,160.90, 12,642.03 and 4,969.15

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Solution

The fourth proportional to 9,160.90, 12,642.03 and 4,969.15 is: 6,857.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.90 : 12,642.03 = 4,969.15 : x
  2. Step 2: Convert to fraction form
    9,160.90/12,642.03 = 4,969.15/x
  3. Step 3: Cross multiply
    9,160.90x = 12,642.03 × 4,969.15
  4. Step 4: Simplify right side
    9,160.90x = 62,820,143.37
  5. Step 5: Solve for x
    x = 62,820,143.37/9,160.90
  6. Step 6: Final answer
    x = 6,857.42

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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.