Home / 4,201.64-6,303.10-1,389.60

Finding the Fourth Proportional to 4,201.64, 6,303.10 and 1,389.60

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Solution

The fourth proportional to 4,201.64, 6,303.10 and 1,389.60 is: 2,084.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.64 : 6,303.10 = 1,389.60 : x
  2. Step 2: Convert to fraction form
    4,201.64/6,303.10 = 1,389.60/x
  3. Step 3: Cross multiply
    4,201.64x = 6,303.10 × 1,389.60
  4. Step 4: Simplify right side
    4,201.64x = 8,758,787.76
  5. Step 5: Solve for x
    x = 8,758,787.76/4,201.64
  6. Step 6: Final answer
    x = 2,084.61

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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.