Home / 4,771.04-7,156.76-2,921.00

Finding the Fourth Proportional to 4,771.04, 7,156.76 and 2,921.00

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Solution

The fourth proportional to 4,771.04, 7,156.76 and 2,921.00 is: 4,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.04 : 7,156.76 = 2,921.00 : x
  2. Step 2: Convert to fraction form
    4,771.04/7,156.76 = 2,921.00/x
  3. Step 3: Cross multiply
    4,771.04x = 7,156.76 × 2,921.00
  4. Step 4: Simplify right side
    4,771.04x = 20,904,845.57
  5. Step 5: Solve for x
    x = 20,904,845.57/4,771.04
  6. Step 6: Final answer
    x = 4,381.62

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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.