Home / 4,331.43-6,491.16-1,985.60

Finding the Fourth Proportional to 4,331.43, 6,491.16 and 1,985.60

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Solution

The fourth proportional to 4,331.43, 6,491.16 and 1,985.60 is: 2,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.43 : 6,491.16 = 1,985.60 : x
  2. Step 2: Convert to fraction form
    4,331.43/6,491.16 = 1,985.60/x
  3. Step 3: Cross multiply
    4,331.43x = 6,491.16 × 1,985.60
  4. Step 4: Simplify right side
    4,331.43x = 12,888,847.30
  5. Step 5: Solve for x
    x = 12,888,847.30/4,331.43
  6. Step 6: Final answer
    x = 2,975.66

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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.