Home / 7,339.41-10,128.38-4,195.66

Finding the Fourth Proportional to 7,339.41, 10,128.38 and 4,195.66

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Solution

The fourth proportional to 7,339.41, 10,128.38 and 4,195.66 is: 5,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.41 : 10,128.38 = 4,195.66 : x
  2. Step 2: Convert to fraction form
    7,339.41/10,128.38 = 4,195.66/x
  3. Step 3: Cross multiply
    7,339.41x = 10,128.38 × 4,195.66
  4. Step 4: Simplify right side
    7,339.41x = 42,495,238.83
  5. Step 5: Solve for x
    x = 42,495,238.83/7,339.41
  6. Step 6: Final answer
    x = 5,790.01

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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.