Home / 4,180.34-6,271.28-1,407.31

Finding the Fourth Proportional to 4,180.34, 6,271.28 and 1,407.31

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Solution

The fourth proportional to 4,180.34, 6,271.28 and 1,407.31 is: 2,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.34 : 6,271.28 = 1,407.31 : x
  2. Step 2: Convert to fraction form
    4,180.34/6,271.28 = 1,407.31/x
  3. Step 3: Cross multiply
    4,180.34x = 6,271.28 × 1,407.31
  4. Step 4: Simplify right side
    4,180.34x = 8,825,635.06
  5. Step 5: Solve for x
    x = 8,825,635.06/4,180.34
  6. Step 6: Final answer
    x = 2,111.22

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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.