Home / 4,439.41-6,657.96-1,318.68

Finding the Fourth Proportional to 4,439.41, 6,657.96 and 1,318.68

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Solution

The fourth proportional to 4,439.41, 6,657.96 and 1,318.68 is: 1,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.41 : 6,657.96 = 1,318.68 : x
  2. Step 2: Convert to fraction form
    4,439.41/6,657.96 = 1,318.68/x
  3. Step 3: Cross multiply
    4,439.41x = 6,657.96 × 1,318.68
  4. Step 4: Simplify right side
    4,439.41x = 8,779,748.61
  5. Step 5: Solve for x
    x = 8,779,748.61/4,439.41
  6. Step 6: Final answer
    x = 1,977.68

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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.