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Finding the Fourth Proportional to 4,579.63, 6,866.47 and 1,657.56

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Solution

The fourth proportional to 4,579.63, 6,866.47 and 1,657.56 is: 2,485.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.63 : 6,866.47 = 1,657.56 : x
  2. Step 2: Convert to fraction form
    4,579.63/6,866.47 = 1,657.56/x
  3. Step 3: Cross multiply
    4,579.63x = 6,866.47 × 1,657.56
  4. Step 4: Simplify right side
    4,579.63x = 11,381,586.01
  5. Step 5: Solve for x
    x = 11,381,586.01/4,579.63
  6. Step 6: Final answer
    x = 2,485.26

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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.