Home / 6,271.56-9,407.40-1,889.04

Finding the Fourth Proportional to 6,271.56, 9,407.40 and 1,889.04

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Solution

The fourth proportional to 6,271.56, 9,407.40 and 1,889.04 is: 2,833.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.56 : 9,407.40 = 1,889.04 : x
  2. Step 2: Convert to fraction form
    6,271.56/9,407.40 = 1,889.04/x
  3. Step 3: Cross multiply
    6,271.56x = 9,407.40 × 1,889.04
  4. Step 4: Simplify right side
    6,271.56x = 17,770,954.90
  5. Step 5: Solve for x
    x = 17,770,954.90/6,271.56
  6. Step 6: Final answer
    x = 2,833.58

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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.