Home / 4,190.08-6,282.68-1,267.60

Finding the Fourth Proportional to 4,190.08, 6,282.68 and 1,267.60

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Solution

The fourth proportional to 4,190.08, 6,282.68 and 1,267.60 is: 1,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.08 : 6,282.68 = 1,267.60 : x
  2. Step 2: Convert to fraction form
    4,190.08/6,282.68 = 1,267.60/x
  3. Step 3: Cross multiply
    4,190.08x = 6,282.68 × 1,267.60
  4. Step 4: Simplify right side
    4,190.08x = 7,963,925.17
  5. Step 5: Solve for x
    x = 7,963,925.17/4,190.08
  6. Step 6: Final answer
    x = 1,900.66

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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.