Home / 4,318.51-6,478.67-1,853.59

Finding the Fourth Proportional to 4,318.51, 6,478.67 and 1,853.59

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Solution

The fourth proportional to 4,318.51, 6,478.67 and 1,853.59 is: 2,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.51 : 6,478.67 = 1,853.59 : x
  2. Step 2: Convert to fraction form
    4,318.51/6,478.67 = 1,853.59/x
  3. Step 3: Cross multiply
    4,318.51x = 6,478.67 × 1,853.59
  4. Step 4: Simplify right side
    4,318.51x = 12,008,797.93
  5. Step 5: Solve for x
    x = 12,008,797.93/4,318.51
  6. Step 6: Final answer
    x = 2,780.77

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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.