Home / 4,679.70-6,455.28-3,000.51

Finding the Fourth Proportional to 4,679.70, 6,455.28 and 3,000.51

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Solution

The fourth proportional to 4,679.70, 6,455.28 and 3,000.51 is: 4,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.70 : 6,455.28 = 3,000.51 : x
  2. Step 2: Convert to fraction form
    4,679.70/6,455.28 = 3,000.51/x
  3. Step 3: Cross multiply
    4,679.70x = 6,455.28 × 3,000.51
  4. Step 4: Simplify right side
    4,679.70x = 19,369,132.19
  5. Step 5: Solve for x
    x = 19,369,132.19/4,679.70
  6. Step 6: Final answer
    x = 4,138.97

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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.