Home / 6,289.49-9,434.05-2,129.46

Finding the Fourth Proportional to 6,289.49, 9,434.05 and 2,129.46

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Solution

The fourth proportional to 6,289.49, 9,434.05 and 2,129.46 is: 3,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.49 : 9,434.05 = 2,129.46 : x
  2. Step 2: Convert to fraction form
    6,289.49/9,434.05 = 2,129.46/x
  3. Step 3: Cross multiply
    6,289.49x = 9,434.05 × 2,129.46
  4. Step 4: Simplify right side
    6,289.49x = 20,089,432.11
  5. Step 5: Solve for x
    x = 20,089,432.11/6,289.49
  6. Step 6: Final answer
    x = 3,194.13

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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.