Home / 4,130.65-6,195.90-1,665.41

Finding the Fourth Proportional to 4,130.65, 6,195.90 and 1,665.41

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Solution

The fourth proportional to 4,130.65, 6,195.90 and 1,665.41 is: 2,498.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.65 : 6,195.90 = 1,665.41 : x
  2. Step 2: Convert to fraction form
    4,130.65/6,195.90 = 1,665.41/x
  3. Step 3: Cross multiply
    4,130.65x = 6,195.90 × 1,665.41
  4. Step 4: Simplify right side
    4,130.65x = 10,318,713.82
  5. Step 5: Solve for x
    x = 10,318,713.82/4,130.65
  6. Step 6: Final answer
    x = 2,498.08

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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.