Home / 6,407.19-8,841.72-3,756.36

Finding the Fourth Proportional to 6,407.19, 8,841.72 and 3,756.36

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Solution

The fourth proportional to 6,407.19, 8,841.72 and 3,756.36 is: 5,183.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407.19 : 8,841.72 = 3,756.36 : x
  2. Step 2: Convert to fraction form
    6,407.19/8,841.72 = 3,756.36/x
  3. Step 3: Cross multiply
    6,407.19x = 8,841.72 × 3,756.36
  4. Step 4: Simplify right side
    6,407.19x = 33,212,683.34
  5. Step 5: Solve for x
    x = 33,212,683.34/6,407.19
  6. Step 6: Final answer
    x = 5,183.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.