Home / 8,890.85-13,340.93-5,770.13

Finding the Fourth Proportional to 8,890.85, 13,340.93 and 5,770.13

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Solution

The fourth proportional to 8,890.85, 13,340.93 and 5,770.13 is: 8,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.85 : 13,340.93 = 5,770.13 : x
  2. Step 2: Convert to fraction form
    8,890.85/13,340.93 = 5,770.13/x
  3. Step 3: Cross multiply
    8,890.85x = 13,340.93 × 5,770.13
  4. Step 4: Simplify right side
    8,890.85x = 76,978,804.87
  5. Step 5: Solve for x
    x = 76,978,804.87/8,890.85
  6. Step 6: Final answer
    x = 8,658.21

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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.