Home / 4,526.30-6,789.40-1,239.39

Finding the Fourth Proportional to 4,526.30, 6,789.40 and 1,239.39

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Solution

The fourth proportional to 4,526.30, 6,789.40 and 1,239.39 is: 1,859.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,526.30 : 6,789.40 = 1,239.39 : x
  2. Step 2: Convert to fraction form
    4,526.30/6,789.40 = 1,239.39/x
  3. Step 3: Cross multiply
    4,526.30x = 6,789.40 × 1,239.39
  4. Step 4: Simplify right side
    4,526.30x = 8,414,711.37
  5. Step 5: Solve for x
    x = 8,414,711.37/4,526.30
  6. Step 6: Final answer
    x = 1,859.07

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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.