Home / 4,436.47-6,654.80-2,978.47

Finding the Fourth Proportional to 4,436.47, 6,654.80 and 2,978.47

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Solution

The fourth proportional to 4,436.47, 6,654.80 and 2,978.47 is: 4,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,436.47 : 6,654.80 = 2,978.47 : x
  2. Step 2: Convert to fraction form
    4,436.47/6,654.80 = 2,978.47/x
  3. Step 3: Cross multiply
    4,436.47x = 6,654.80 × 2,978.47
  4. Step 4: Simplify right side
    4,436.47x = 19,821,107.26
  5. Step 5: Solve for x
    x = 19,821,107.26/4,436.47
  6. Step 6: Final answer
    x = 4,467.77

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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.