Home / 7,281.90-10,923.39-2,602.80

Finding the Fourth Proportional to 7,281.90, 10,923.39 and 2,602.80

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Solution

The fourth proportional to 7,281.90, 10,923.39 and 2,602.80 is: 3,904.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.90 : 10,923.39 = 2,602.80 : x
  2. Step 2: Convert to fraction form
    7,281.90/10,923.39 = 2,602.80/x
  3. Step 3: Cross multiply
    7,281.90x = 10,923.39 × 2,602.80
  4. Step 4: Simplify right side
    7,281.90x = 28,431,399.49
  5. Step 5: Solve for x
    x = 28,431,399.49/7,281.90
  6. Step 6: Final answer
    x = 3,904.39

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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.