Home / 5,078.64-6,993.99-4,762.21

Finding the Fourth Proportional to 5,078.64, 6,993.99 and 4,762.21

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Solution

The fourth proportional to 5,078.64, 6,993.99 and 4,762.21 is: 6,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.64 : 6,993.99 = 4,762.21 : x
  2. Step 2: Convert to fraction form
    5,078.64/6,993.99 = 4,762.21/x
  3. Step 3: Cross multiply
    5,078.64x = 6,993.99 × 4,762.21
  4. Step 4: Simplify right side
    5,078.64x = 33,306,861.02
  5. Step 5: Solve for x
    x = 33,306,861.02/5,078.64
  6. Step 6: Final answer
    x = 6,558.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.