Home / 4,630.02-6,389.91-2,742.21

Finding the Fourth Proportional to 4,630.02, 6,389.91 and 2,742.21

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Solution

The fourth proportional to 4,630.02, 6,389.91 and 2,742.21 is: 3,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.02 : 6,389.91 = 2,742.21 : x
  2. Step 2: Convert to fraction form
    4,630.02/6,389.91 = 2,742.21/x
  3. Step 3: Cross multiply
    4,630.02x = 6,389.91 × 2,742.21
  4. Step 4: Simplify right side
    4,630.02x = 17,522,475.10
  5. Step 5: Solve for x
    x = 17,522,475.10/4,630.02
  6. Step 6: Final answer
    x = 3,784.54

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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.