Home / 4,317.81-6,478.68-1,854.09

Finding the Fourth Proportional to 4,317.81, 6,478.68 and 1,854.09

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Solution

The fourth proportional to 4,317.81, 6,478.68 and 1,854.09 is: 2,781.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.81 : 6,478.68 = 1,854.09 : x
  2. Step 2: Convert to fraction form
    4,317.81/6,478.68 = 1,854.09/x
  3. Step 3: Cross multiply
    4,317.81x = 6,478.68 × 1,854.09
  4. Step 4: Simplify right side
    4,317.81x = 12,012,062.75
  5. Step 5: Solve for x
    x = 12,012,062.75/4,317.81
  6. Step 6: Final answer
    x = 2,781.98

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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.