Home / 4,190.90-6,287.03-1,417.74

Finding the Fourth Proportional to 4,190.90, 6,287.03 and 1,417.74

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Solution

The fourth proportional to 4,190.90, 6,287.03 and 1,417.74 is: 2,126.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.90 : 6,287.03 = 1,417.74 : x
  2. Step 2: Convert to fraction form
    4,190.90/6,287.03 = 1,417.74/x
  3. Step 3: Cross multiply
    4,190.90x = 6,287.03 × 1,417.74
  4. Step 4: Simplify right side
    4,190.90x = 8,913,366.82
  5. Step 5: Solve for x
    x = 8,913,366.82/4,190.90
  6. Step 6: Final answer
    x = 2,126.84

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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.