Home / 8,986.27-13,483.58-3,437.78

Finding the Fourth Proportional to 8,986.27, 13,483.58 and 3,437.78

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Solution

The fourth proportional to 8,986.27, 13,483.58 and 3,437.78 is: 5,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.27 : 13,483.58 = 3,437.78 : x
  2. Step 2: Convert to fraction form
    8,986.27/13,483.58 = 3,437.78/x
  3. Step 3: Cross multiply
    8,986.27x = 13,483.58 × 3,437.78
  4. Step 4: Simplify right side
    8,986.27x = 46,353,581.65
  5. Step 5: Solve for x
    x = 46,353,581.65/8,986.27
  6. Step 6: Final answer
    x = 5,158.27

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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.