Home / 4,285.47-6,427.49-1,206.75

Finding the Fourth Proportional to 4,285.47, 6,427.49 and 1,206.75

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Solution

The fourth proportional to 4,285.47, 6,427.49 and 1,206.75 is: 1,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.47 : 6,427.49 = 1,206.75 : x
  2. Step 2: Convert to fraction form
    4,285.47/6,427.49 = 1,206.75/x
  3. Step 3: Cross multiply
    4,285.47x = 6,427.49 × 1,206.75
  4. Step 4: Simplify right side
    4,285.47x = 7,756,367.52
  5. Step 5: Solve for x
    x = 7,756,367.52/4,285.47
  6. Step 6: Final answer
    x = 1,809.92

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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.