Home / 6,124.80-9,191.36-4,040.32

Finding the Fourth Proportional to 6,124.80, 9,191.36 and 4,040.32

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Solution

The fourth proportional to 6,124.80, 9,191.36 and 4,040.32 is: 6,063.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.80 : 9,191.36 = 4,040.32 : x
  2. Step 2: Convert to fraction form
    6,124.80/9,191.36 = 4,040.32/x
  3. Step 3: Cross multiply
    6,124.80x = 9,191.36 × 4,040.32
  4. Step 4: Simplify right side
    6,124.80x = 37,136,035.64
  5. Step 5: Solve for x
    x = 37,136,035.64/6,124.80
  6. Step 6: Final answer
    x = 6,063.22

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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.