Home / 7,570.80-10,450.62-6,783.48

Finding the Fourth Proportional to 7,570.80, 10,450.62 and 6,783.48

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Solution

The fourth proportional to 7,570.80, 10,450.62 and 6,783.48 is: 9,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.80 : 10,450.62 = 6,783.48 : x
  2. Step 2: Convert to fraction form
    7,570.80/10,450.62 = 6,783.48/x
  3. Step 3: Cross multiply
    7,570.80x = 10,450.62 × 6,783.48
  4. Step 4: Simplify right side
    7,570.80x = 70,891,571.76
  5. Step 5: Solve for x
    x = 70,891,571.76/7,570.80
  6. Step 6: Final answer
    x = 9,363.82

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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.