Home / 4,126.74-6,190.10-1,205.07

Finding the Fourth Proportional to 4,126.74, 6,190.10 and 1,205.07

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Solution

The fourth proportional to 4,126.74, 6,190.10 and 1,205.07 is: 1,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.74 : 6,190.10 = 1,205.07 : x
  2. Step 2: Convert to fraction form
    4,126.74/6,190.10 = 1,205.07/x
  3. Step 3: Cross multiply
    4,126.74x = 6,190.10 × 1,205.07
  4. Step 4: Simplify right side
    4,126.74x = 7,459,503.81
  5. Step 5: Solve for x
    x = 7,459,503.81/4,126.74
  6. Step 6: Final answer
    x = 1,807.60

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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.