Home / 6,485.06-9,725.51-2,101.46

Finding the Fourth Proportional to 6,485.06, 9,725.51 and 2,101.46

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Solution

The fourth proportional to 6,485.06, 9,725.51 and 2,101.46 is: 3,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485.06 : 9,725.51 = 2,101.46 : x
  2. Step 2: Convert to fraction form
    6,485.06/9,725.51 = 2,101.46/x
  3. Step 3: Cross multiply
    6,485.06x = 9,725.51 × 2,101.46
  4. Step 4: Simplify right side
    6,485.06x = 20,437,770.24
  5. Step 5: Solve for x
    x = 20,437,770.24/6,485.06
  6. Step 6: Final answer
    x = 3,151.52

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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.