Home / 4,485.34-6,725.31-1,985.23

Finding the Fourth Proportional to 4,485.34, 6,725.31 and 1,985.23

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Solution

The fourth proportional to 4,485.34, 6,725.31 and 1,985.23 is: 2,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.34 : 6,725.31 = 1,985.23 : x
  2. Step 2: Convert to fraction form
    4,485.34/6,725.31 = 1,985.23/x
  3. Step 3: Cross multiply
    4,485.34x = 6,725.31 × 1,985.23
  4. Step 4: Simplify right side
    4,485.34x = 13,351,287.17
  5. Step 5: Solve for x
    x = 13,351,287.17/4,485.34
  6. Step 6: Final answer
    x = 2,976.65

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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.