Home / 7,320.20-10,973.10-6,542.60

Finding the Fourth Proportional to 7,320.20, 10,973.10 and 6,542.60

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Solution

The fourth proportional to 7,320.20, 10,973.10 and 6,542.60 is: 9,807.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.20 : 10,973.10 = 6,542.60 : x
  2. Step 2: Convert to fraction form
    7,320.20/10,973.10 = 6,542.60/x
  3. Step 3: Cross multiply
    7,320.20x = 10,973.10 × 6,542.60
  4. Step 4: Simplify right side
    7,320.20x = 71,792,604.06
  5. Step 5: Solve for x
    x = 71,792,604.06/7,320.20
  6. Step 6: Final answer
    x = 9,807.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.