Home / 7,904.12-10,907.90-4,367.55

Finding the Fourth Proportional to 7,904.12, 10,907.90 and 4,367.55

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Solution

The fourth proportional to 7,904.12, 10,907.90 and 4,367.55 is: 6,027.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.12 : 10,907.90 = 4,367.55 : x
  2. Step 2: Convert to fraction form
    7,904.12/10,907.90 = 4,367.55/x
  3. Step 3: Cross multiply
    7,904.12x = 10,907.90 × 4,367.55
  4. Step 4: Simplify right side
    7,904.12x = 47,640,834.09
  5. Step 5: Solve for x
    x = 47,640,834.09/7,904.12
  6. Step 6: Final answer
    x = 6,027.35

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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.