Home / 4,657.61-6,986.43-1,370.75

Finding the Fourth Proportional to 4,657.61, 6,986.43 and 1,370.75

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Solution

The fourth proportional to 4,657.61, 6,986.43 and 1,370.75 is: 2,056.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.61 : 6,986.43 = 1,370.75 : x
  2. Step 2: Convert to fraction form
    4,657.61/6,986.43 = 1,370.75/x
  3. Step 3: Cross multiply
    4,657.61x = 6,986.43 × 1,370.75
  4. Step 4: Simplify right side
    4,657.61x = 9,576,613.99
  5. Step 5: Solve for x
    x = 9,576,613.99/4,657.61
  6. Step 6: Final answer
    x = 2,056.12

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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.