Home / 7,768.93-10,720.76-4,411.31

Finding the Fourth Proportional to 7,768.93, 10,720.76 and 4,411.31

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Solution

The fourth proportional to 7,768.93, 10,720.76 and 4,411.31 is: 6,087.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.93 : 10,720.76 = 4,411.31 : x
  2. Step 2: Convert to fraction form
    7,768.93/10,720.76 = 4,411.31/x
  3. Step 3: Cross multiply
    7,768.93x = 10,720.76 × 4,411.31
  4. Step 4: Simplify right side
    7,768.93x = 47,292,520.14
  5. Step 5: Solve for x
    x = 47,292,520.14/7,768.93
  6. Step 6: Final answer
    x = 6,087.39

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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.