Home / 6,210.74-8,570.56-3,558.38

Finding the Fourth Proportional to 6,210.74, 8,570.56 and 3,558.38

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Solution

The fourth proportional to 6,210.74, 8,570.56 and 3,558.38 is: 4,910.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.74 : 8,570.56 = 3,558.38 : x
  2. Step 2: Convert to fraction form
    6,210.74/8,570.56 = 3,558.38/x
  3. Step 3: Cross multiply
    6,210.74x = 8,570.56 × 3,558.38
  4. Step 4: Simplify right side
    6,210.74x = 30,497,309.29
  5. Step 5: Solve for x
    x = 30,497,309.29/6,210.74
  6. Step 6: Final answer
    x = 4,910.41

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Half scale
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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.