Home / 7,725.40-10,660.48-4,367.95

Finding the Fourth Proportional to 7,725.40, 10,660.48 and 4,367.95

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Solution

The fourth proportional to 7,725.40, 10,660.48 and 4,367.95 is: 6,027.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.40 : 10,660.48 = 4,367.95 : x
  2. Step 2: Convert to fraction form
    7,725.40/10,660.48 = 4,367.95/x
  3. Step 3: Cross multiply
    7,725.40x = 10,660.48 × 4,367.95
  4. Step 4: Simplify right side
    7,725.40x = 46,564,406.04
  5. Step 5: Solve for x
    x = 46,564,406.04/7,725.40
  6. Step 6: Final answer
    x = 6,027.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.