Home / 7,763.48-10,707.82-4,928.39

Finding the Fourth Proportional to 7,763.48, 10,707.82 and 4,928.39

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Solution

The fourth proportional to 7,763.48, 10,707.82 and 4,928.39 is: 6,797.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.48 : 10,707.82 = 4,928.39 : x
  2. Step 2: Convert to fraction form
    7,763.48/10,707.82 = 4,928.39/x
  3. Step 3: Cross multiply
    7,763.48x = 10,707.82 × 4,928.39
  4. Step 4: Simplify right side
    7,763.48x = 52,772,313.01
  5. Step 5: Solve for x
    x = 52,772,313.01/7,763.48
  6. Step 6: Final answer
    x = 6,797.51

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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.