Home / 5,400.80-7,450.48-4,653.46

Finding the Fourth Proportional to 5,400.80, 7,450.48 and 4,653.46

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Solution

The fourth proportional to 5,400.80, 7,450.48 and 4,653.46 is: 6,419.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.80 : 7,450.48 = 4,653.46 : x
  2. Step 2: Convert to fraction form
    5,400.80/7,450.48 = 4,653.46/x
  3. Step 3: Cross multiply
    5,400.80x = 7,450.48 × 4,653.46
  4. Step 4: Simplify right side
    5,400.80x = 34,670,510.66
  5. Step 5: Solve for x
    x = 34,670,510.66/5,400.80
  6. Step 6: Final answer
    x = 6,419.51

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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.