Home / 5,185.08-7,154.94-2,946.90

Finding the Fourth Proportional to 5,185.08, 7,154.94 and 2,946.90

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Solution

The fourth proportional to 5,185.08, 7,154.94 and 2,946.90 is: 4,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.08 : 7,154.94 = 2,946.90 : x
  2. Step 2: Convert to fraction form
    5,185.08/7,154.94 = 2,946.90/x
  3. Step 3: Cross multiply
    5,185.08x = 7,154.94 × 2,946.90
  4. Step 4: Simplify right side
    5,185.08x = 21,084,892.69
  5. Step 5: Solve for x
    x = 21,084,892.69/5,185.08
  6. Step 6: Final answer
    x = 4,066.45

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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.