Home / 5,804.21-8,706.42-1,421.70

Finding the Fourth Proportional to 5,804.21, 8,706.42 and 1,421.70

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Solution

The fourth proportional to 5,804.21, 8,706.42 and 1,421.70 is: 2,132.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,804.21 : 8,706.42 = 1,421.70 : x
  2. Step 2: Convert to fraction form
    5,804.21/8,706.42 = 1,421.70/x
  3. Step 3: Cross multiply
    5,804.21x = 8,706.42 × 1,421.70
  4. Step 4: Simplify right side
    5,804.21x = 12,377,917.31
  5. Step 5: Solve for x
    x = 12,377,917.31/5,804.21
  6. Step 6: Final answer
    x = 2,132.58

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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.