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Finding the Fourth Proportional to 4,676.79, 7,025.09 and 2,946.63

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Solution

The fourth proportional to 4,676.79, 7,025.09 and 2,946.63 is: 4,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676.79 : 7,025.09 = 2,946.63 : x
  2. Step 2: Convert to fraction form
    4,676.79/7,025.09 = 2,946.63/x
  3. Step 3: Cross multiply
    4,676.79x = 7,025.09 × 2,946.63
  4. Step 4: Simplify right side
    4,676.79x = 20,700,326.21
  5. Step 5: Solve for x
    x = 20,700,326.21/4,676.79
  6. Step 6: Final answer
    x = 4,426.18

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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.