Home / 7,723.41-10,657.19-4,320.40

Finding the Fourth Proportional to 7,723.41, 10,657.19 and 4,320.40

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Solution

The fourth proportional to 7,723.41, 10,657.19 and 4,320.40 is: 5,961.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.41 : 10,657.19 = 4,320.40 : x
  2. Step 2: Convert to fraction form
    7,723.41/10,657.19 = 4,320.40/x
  3. Step 3: Cross multiply
    7,723.41x = 10,657.19 × 4,320.40
  4. Step 4: Simplify right side
    7,723.41x = 46,043,323.68
  5. Step 5: Solve for x
    x = 46,043,323.68/7,723.41
  6. Step 6: Final answer
    x = 5,961.53

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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.