Home / 5,890.42-8,128.45-3,237.77

Finding the Fourth Proportional to 5,890.42, 8,128.45 and 3,237.77

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Solution

The fourth proportional to 5,890.42, 8,128.45 and 3,237.77 is: 4,467.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.42 : 8,128.45 = 3,237.77 : x
  2. Step 2: Convert to fraction form
    5,890.42/8,128.45 = 3,237.77/x
  3. Step 3: Cross multiply
    5,890.42x = 8,128.45 × 3,237.77
  4. Step 4: Simplify right side
    5,890.42x = 26,318,075.92
  5. Step 5: Solve for x
    x = 26,318,075.92/5,890.42
  6. Step 6: Final answer
    x = 4,467.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.