Home / 6,210.60-8,570.82-3,378.18

Finding the Fourth Proportional to 6,210.60, 8,570.82 and 3,378.18

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Solution

The fourth proportional to 6,210.60, 8,570.82 and 3,378.18 is: 4,661.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.60 : 8,570.82 = 3,378.18 : x
  2. Step 2: Convert to fraction form
    6,210.60/8,570.82 = 3,378.18/x
  3. Step 3: Cross multiply
    6,210.60x = 8,570.82 × 3,378.18
  4. Step 4: Simplify right side
    6,210.60x = 28,953,772.71
  5. Step 5: Solve for x
    x = 28,953,772.71/6,210.60
  6. Step 6: Final answer
    x = 4,661.99

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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.