Home / 4,656.15-6,428.70-3,165.30

Finding the Fourth Proportional to 4,656.15, 6,428.70 and 3,165.30

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Solution

The fourth proportional to 4,656.15, 6,428.70 and 3,165.30 is: 4,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,656.15 : 6,428.70 = 3,165.30 : x
  2. Step 2: Convert to fraction form
    4,656.15/6,428.70 = 3,165.30/x
  3. Step 3: Cross multiply
    4,656.15x = 6,428.70 × 3,165.30
  4. Step 4: Simplify right side
    4,656.15x = 20,348,764.11
  5. Step 5: Solve for x
    x = 20,348,764.11/4,656.15
  6. Step 6: Final answer
    x = 4,370.30

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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.