Home / 6,170.80-8,515.93-3,518.18

Finding the Fourth Proportional to 6,170.80, 8,515.93 and 3,518.18

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Solution

The fourth proportional to 6,170.80, 8,515.93 and 3,518.18 is: 4,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.80 : 8,515.93 = 3,518.18 : x
  2. Step 2: Convert to fraction form
    6,170.80/8,515.93 = 3,518.18/x
  3. Step 3: Cross multiply
    6,170.80x = 8,515.93 × 3,518.18
  4. Step 4: Simplify right side
    6,170.80x = 29,960,574.61
  5. Step 5: Solve for x
    x = 29,960,574.61/6,170.80
  6. Step 6: Final answer
    x = 4,855.22

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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.