Home / 6,544.08-9,030.96-3,891.60

Finding the Fourth Proportional to 6,544.08, 9,030.96 and 3,891.60

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Solution

The fourth proportional to 6,544.08, 9,030.96 and 3,891.60 is: 5,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,544.08 : 9,030.96 = 3,891.60 : x
  2. Step 2: Convert to fraction form
    6,544.08/9,030.96 = 3,891.60/x
  3. Step 3: Cross multiply
    6,544.08x = 9,030.96 × 3,891.60
  4. Step 4: Simplify right side
    6,544.08x = 35,144,883.94
  5. Step 5: Solve for x
    x = 35,144,883.94/6,544.08
  6. Step 6: Final answer
    x = 5,370.49

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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.