Home / 4,126.98-6,190.45-1,205.28

Finding the Fourth Proportional to 4,126.98, 6,190.45 and 1,205.28

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Solution

The fourth proportional to 4,126.98, 6,190.45 and 1,205.28 is: 1,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.98 : 6,190.45 = 1,205.28 : x
  2. Step 2: Convert to fraction form
    4,126.98/6,190.45 = 1,205.28/x
  3. Step 3: Cross multiply
    4,126.98x = 6,190.45 × 1,205.28
  4. Step 4: Simplify right side
    4,126.98x = 7,461,225.58
  5. Step 5: Solve for x
    x = 7,461,225.58/4,126.98
  6. Step 6: Final answer
    x = 1,807.91

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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.