Home / 6,151.80-8,485.92-4,379.52

Finding the Fourth Proportional to 6,151.80, 8,485.92 and 4,379.52

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Solution

The fourth proportional to 6,151.80, 8,485.92 and 4,379.52 is: 6,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.80 : 8,485.92 = 4,379.52 : x
  2. Step 2: Convert to fraction form
    6,151.80/8,485.92 = 4,379.52/x
  3. Step 3: Cross multiply
    6,151.80x = 8,485.92 × 4,379.52
  4. Step 4: Simplify right side
    6,151.80x = 37,164,256.36
  5. Step 5: Solve for x
    x = 37,164,256.36/6,151.80
  6. Step 6: Final answer
    x = 6,041.20

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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.