Home / 5,409.61-7,464.80-3,019.36

Finding the Fourth Proportional to 5,409.61, 7,464.80 and 3,019.36

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Solution

The fourth proportional to 5,409.61, 7,464.80 and 3,019.36 is: 4,166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.61 : 7,464.80 = 3,019.36 : x
  2. Step 2: Convert to fraction form
    5,409.61/7,464.80 = 3,019.36/x
  3. Step 3: Cross multiply
    5,409.61x = 7,464.80 × 3,019.36
  4. Step 4: Simplify right side
    5,409.61x = 22,538,918.53
  5. Step 5: Solve for x
    x = 22,538,918.53/5,409.61
  6. Step 6: Final answer
    x = 4,166.46

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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.