Home / 7,743.29-10,685.74-4,206.52

Finding the Fourth Proportional to 7,743.29, 10,685.74 and 4,206.52

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Solution

The fourth proportional to 7,743.29, 10,685.74 and 4,206.52 is: 5,805.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.29 : 10,685.74 = 4,206.52 : x
  2. Step 2: Convert to fraction form
    7,743.29/10,685.74 = 4,206.52/x
  3. Step 3: Cross multiply
    7,743.29x = 10,685.74 × 4,206.52
  4. Step 4: Simplify right side
    7,743.29x = 44,949,757.99
  5. Step 5: Solve for x
    x = 44,949,757.99/7,743.29
  6. Step 6: Final answer
    x = 5,805.00

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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.