Home / 6,289.09-9,432.61-2,129.02

Finding the Fourth Proportional to 6,289.09, 9,432.61 and 2,129.02

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Solution

The fourth proportional to 6,289.09, 9,432.61 and 2,129.02 is: 3,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.09 : 9,432.61 = 2,129.02 : x
  2. Step 2: Convert to fraction form
    6,289.09/9,432.61 = 2,129.02/x
  3. Step 3: Cross multiply
    6,289.09x = 9,432.61 × 2,129.02
  4. Step 4: Simplify right side
    6,289.09x = 20,082,215.34
  5. Step 5: Solve for x
    x = 20,082,215.34/6,289.09
  6. Step 6: Final answer
    x = 3,193.18

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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.