Home / 9,131.91-12,602.08-4,940.16

Finding the Fourth Proportional to 9,131.91, 12,602.08 and 4,940.16

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Solution

The fourth proportional to 9,131.91, 12,602.08 and 4,940.16 is: 6,817.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131.91 : 12,602.08 = 4,940.16 : x
  2. Step 2: Convert to fraction form
    9,131.91/12,602.08 = 4,940.16/x
  3. Step 3: Cross multiply
    9,131.91x = 12,602.08 × 4,940.16
  4. Step 4: Simplify right side
    9,131.91x = 62,256,250.45
  5. Step 5: Solve for x
    x = 62,256,250.45/9,131.91
  6. Step 6: Final answer
    x = 6,817.44

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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.