Home / 6,210.95-8,571.15-3,378.35

Finding the Fourth Proportional to 6,210.95, 8,571.15 and 3,378.35

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Solution

The fourth proportional to 6,210.95, 8,571.15 and 3,378.35 is: 4,662.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.95 : 8,571.15 = 3,378.35 : x
  2. Step 2: Convert to fraction form
    6,210.95/8,571.15 = 3,378.35/x
  3. Step 3: Cross multiply
    6,210.95x = 8,571.15 × 3,378.35
  4. Step 4: Simplify right side
    6,210.95x = 28,956,344.60
  5. Step 5: Solve for x
    x = 28,956,344.60/6,210.95
  6. Step 6: Final answer
    x = 4,662.14

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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.