Home / 7,292.04-10,930.32-2,907.60

Finding the Fourth Proportional to 7,292.04, 10,930.32 and 2,907.60

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Solution

The fourth proportional to 7,292.04, 10,930.32 and 2,907.60 is: 4,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.04 : 10,930.32 = 2,907.60 : x
  2. Step 2: Convert to fraction form
    7,292.04/10,930.32 = 2,907.60/x
  3. Step 3: Cross multiply
    7,292.04x = 10,930.32 × 2,907.60
  4. Step 4: Simplify right side
    7,292.04x = 31,780,998.43
  5. Step 5: Solve for x
    x = 31,780,998.43/7,292.04
  6. Step 6: Final answer
    x = 4,358.31

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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.