Home / 4,097.10-6,145.65-3,780.30

Finding the Fourth Proportional to 4,097.10, 6,145.65 and 3,780.30

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Solution

The fourth proportional to 4,097.10, 6,145.65 and 3,780.30 is: 5,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,097.10 : 6,145.65 = 3,780.30 : x
  2. Step 2: Convert to fraction form
    4,097.10/6,145.65 = 3,780.30/x
  3. Step 3: Cross multiply
    4,097.10x = 6,145.65 × 3,780.30
  4. Step 4: Simplify right side
    4,097.10x = 23,232,400.70
  5. Step 5: Solve for x
    x = 23,232,400.70/4,097.10
  6. Step 6: Final answer
    x = 5,670.45

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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.