Home / 4,618.81-6,374.31-2,629.50

Finding the Fourth Proportional to 4,618.81, 6,374.31 and 2,629.50

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Solution

The fourth proportional to 4,618.81, 6,374.31 and 2,629.50 is: 3,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.81 : 6,374.31 = 2,629.50 : x
  2. Step 2: Convert to fraction form
    4,618.81/6,374.31 = 2,629.50/x
  3. Step 3: Cross multiply
    4,618.81x = 6,374.31 × 2,629.50
  4. Step 4: Simplify right side
    4,618.81x = 16,761,248.15
  5. Step 5: Solve for x
    x = 16,761,248.15/4,618.81
  6. Step 6: Final answer
    x = 3,628.91

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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.