Home / 4,289.00-6,435.65-1,693.76

Finding the Fourth Proportional to 4,289.00, 6,435.65 and 1,693.76

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Solution

The fourth proportional to 4,289.00, 6,435.65 and 1,693.76 is: 2,541.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.00 : 6,435.65 = 1,693.76 : x
  2. Step 2: Convert to fraction form
    4,289.00/6,435.65 = 1,693.76/x
  3. Step 3: Cross multiply
    4,289.00x = 6,435.65 × 1,693.76
  4. Step 4: Simplify right side
    4,289.00x = 10,900,418.60
  5. Step 5: Solve for x
    x = 10,900,418.60/4,289.00
  6. Step 6: Final answer
    x = 2,541.49

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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.