Home / 7,743.08-10,685.70-4,385.81

Finding the Fourth Proportional to 7,743.08, 10,685.70 and 4,385.81

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Solution

The fourth proportional to 7,743.08, 10,685.70 and 4,385.81 is: 6,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.08 : 10,685.70 = 4,385.81 : x
  2. Step 2: Convert to fraction form
    7,743.08/10,685.70 = 4,385.81/x
  3. Step 3: Cross multiply
    7,743.08x = 10,685.70 × 4,385.81
  4. Step 4: Simplify right side
    7,743.08x = 46,865,476.63
  5. Step 5: Solve for x
    x = 46,865,476.63/7,743.08
  6. Step 6: Final answer
    x = 6,052.56

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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.