Home / 7,904.46-10,907.18-4,921.26

Finding the Fourth Proportional to 7,904.46, 10,907.18 and 4,921.26

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Solution

The fourth proportional to 7,904.46, 10,907.18 and 4,921.26 is: 6,790.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.46 : 10,907.18 = 4,921.26 : x
  2. Step 2: Convert to fraction form
    7,904.46/10,907.18 = 4,921.26/x
  3. Step 3: Cross multiply
    7,904.46x = 10,907.18 × 4,921.26
  4. Step 4: Simplify right side
    7,904.46x = 53,677,044.04
  5. Step 5: Solve for x
    x = 53,677,044.04/7,904.46
  6. Step 6: Final answer
    x = 6,790.73

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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.