Home / 6,410.56-9,618-3,123.04

Finding the Fourth Proportional to 6,410.56, 9,618 and 3,123.04

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Solution

The fourth proportional to 6,410.56, 9,618 and 3,123.04 is: 4,685.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.56 : 9,618 = 3,123.04 : x
  2. Step 2: Convert to fraction form
    6,410.56/9,618 = 3,123.04/x
  3. Step 3: Cross multiply
    6,410.56x = 9,618 × 3,123.04
  4. Step 4: Simplify right side
    6,410.56x = 30,037,398.72
  5. Step 5: Solve for x
    x = 30,037,398.72/6,410.56
  6. Step 6: Final answer
    x = 4,685.61

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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.