Home / 8,890.64-13,325.36-4,140.42

Finding the Fourth Proportional to 8,890.64, 13,325.36 and 4,140.42

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Solution

The fourth proportional to 8,890.64, 13,325.36 and 4,140.42 is: 6,205.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.64 : 13,325.36 = 4,140.42 : x
  2. Step 2: Convert to fraction form
    8,890.64/13,325.36 = 4,140.42/x
  3. Step 3: Cross multiply
    8,890.64x = 13,325.36 × 4,140.42
  4. Step 4: Simplify right side
    8,890.64x = 55,172,566.35
  5. Step 5: Solve for x
    x = 55,172,566.35/8,890.64
  6. Step 6: Final answer
    x = 6,205.69

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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.