Home / 7,739.86-10,681.32-4,382.84

Finding the Fourth Proportional to 7,739.86, 10,681.32 and 4,382.84

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Solution

The fourth proportional to 7,739.86, 10,681.32 and 4,382.84 is: 6,048.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.86 : 10,681.32 = 4,382.84 : x
  2. Step 2: Convert to fraction form
    7,739.86/10,681.32 = 4,382.84/x
  3. Step 3: Cross multiply
    7,739.86x = 10,681.32 × 4,382.84
  4. Step 4: Simplify right side
    7,739.86x = 46,814,516.55
  5. Step 5: Solve for x
    x = 46,814,516.55/7,739.86
  6. Step 6: Final answer
    x = 6,048.50

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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.