Home / 4,288.64-6,435.40-1,693.40

Finding the Fourth Proportional to 4,288.64, 6,435.40 and 1,693.40

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Solution

The fourth proportional to 4,288.64, 6,435.40 and 1,693.40 is: 2,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.64 : 6,435.40 = 1,693.40 : x
  2. Step 2: Convert to fraction form
    4,288.64/6,435.40 = 1,693.40/x
  3. Step 3: Cross multiply
    4,288.64x = 6,435.40 × 1,693.40
  4. Step 4: Simplify right side
    4,288.64x = 10,897,706.36
  5. Step 5: Solve for x
    x = 10,897,706.36/4,288.64
  6. Step 6: Final answer
    x = 2,541.06

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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.