Home / 6,289.99-9,434.40-2,129.52

Finding the Fourth Proportional to 6,289.99, 9,434.40 and 2,129.52

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Solution

The fourth proportional to 6,289.99, 9,434.40 and 2,129.52 is: 3,194.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.99 : 9,434.40 = 2,129.52 : x
  2. Step 2: Convert to fraction form
    6,289.99/9,434.40 = 2,129.52/x
  3. Step 3: Cross multiply
    6,289.99x = 9,434.40 × 2,129.52
  4. Step 4: Simplify right side
    6,289.99x = 20,090,685.67
  5. Step 5: Solve for x
    x = 20,090,685.67/6,289.99
  6. Step 6: Final answer
    x = 3,194.08

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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.