Home / 4,727.46-7,091.15-2,130.40

Finding the Fourth Proportional to 4,727.46, 7,091.15 and 2,130.40

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Solution

The fourth proportional to 4,727.46, 7,091.15 and 2,130.40 is: 3,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.46 : 7,091.15 = 2,130.40 : x
  2. Step 2: Convert to fraction form
    4,727.46/7,091.15 = 2,130.40/x
  3. Step 3: Cross multiply
    4,727.46x = 7,091.15 × 2,130.40
  4. Step 4: Simplify right side
    4,727.46x = 15,106,984.17
  5. Step 5: Solve for x
    x = 15,106,984.17/4,727.46
  6. Step 6: Final answer
    x = 3,195.58

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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.