Home / 7,751.08-10,698.78-4,609.36

Finding the Fourth Proportional to 7,751.08, 10,698.78 and 4,609.36

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Solution

The fourth proportional to 7,751.08, 10,698.78 and 4,609.36 is: 6,362.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.08 : 10,698.78 = 4,609.36 : x
  2. Step 2: Convert to fraction form
    7,751.08/10,698.78 = 4,609.36/x
  3. Step 3: Cross multiply
    7,751.08x = 10,698.78 × 4,609.36
  4. Step 4: Simplify right side
    7,751.08x = 49,314,528.58
  5. Step 5: Solve for x
    x = 49,314,528.58/7,751.08
  6. Step 6: Final answer
    x = 6,362.28

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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.