Home / 4,289.61-6,433.80-1,658.35

Finding the Fourth Proportional to 4,289.61, 6,433.80 and 1,658.35

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Solution

The fourth proportional to 4,289.61, 6,433.80 and 1,658.35 is: 2,487.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.61 : 6,433.80 = 1,658.35 : x
  2. Step 2: Convert to fraction form
    4,289.61/6,433.80 = 1,658.35/x
  3. Step 3: Cross multiply
    4,289.61x = 6,433.80 × 1,658.35
  4. Step 4: Simplify right side
    4,289.61x = 10,669,509.41
  5. Step 5: Solve for x
    x = 10,669,509.41/4,289.61
  6. Step 6: Final answer
    x = 2,487.29

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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.