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Finding the Fourth Proportional to 6,230.28, 8,586.90 and 4,655.64

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Solution

The fourth proportional to 6,230.28, 8,586.90 and 4,655.64 is: 6,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,230.28 : 8,586.90 = 4,655.64 : x
  2. Step 2: Convert to fraction form
    6,230.28/8,586.90 = 4,655.64/x
  3. Step 3: Cross multiply
    6,230.28x = 8,586.90 × 4,655.64
  4. Step 4: Simplify right side
    6,230.28x = 39,977,515.12
  5. Step 5: Solve for x
    x = 39,977,515.12/6,230.28
  6. Step 6: Final answer
    x = 6,416.65

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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.