Home / 7,904.22-10,907.69-4,319.10

Finding the Fourth Proportional to 7,904.22, 10,907.69 and 4,319.10

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Solution

The fourth proportional to 7,904.22, 10,907.69 and 4,319.10 is: 5,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.22 : 10,907.69 = 4,319.10 : x
  2. Step 2: Convert to fraction form
    7,904.22/10,907.69 = 4,319.10/x
  3. Step 3: Cross multiply
    7,904.22x = 10,907.69 × 4,319.10
  4. Step 4: Simplify right side
    7,904.22x = 47,111,357.58
  5. Step 5: Solve for x
    x = 47,111,357.58/7,904.22
  6. Step 6: Final answer
    x = 5,960.28

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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.