Home / 7,698.16-11,538.72-6,317.56

Finding the Fourth Proportional to 7,698.16, 11,538.72 and 6,317.56

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Solution

The fourth proportional to 7,698.16, 11,538.72 and 6,317.56 is: 9,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.16 : 11,538.72 = 6,317.56 : x
  2. Step 2: Convert to fraction form
    7,698.16/11,538.72 = 6,317.56/x
  3. Step 3: Cross multiply
    7,698.16x = 11,538.72 × 6,317.56
  4. Step 4: Simplify right side
    7,698.16x = 72,896,555.92
  5. Step 5: Solve for x
    x = 72,896,555.92/7,698.16
  6. Step 6: Final answer
    x = 9,469.35

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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.