Home / 6,210.30-8,570.70-3,558.36

Finding the Fourth Proportional to 6,210.30, 8,570.70 and 3,558.36

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Solution

The fourth proportional to 6,210.30, 8,570.70 and 3,558.36 is: 4,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.30 : 8,570.70 = 3,558.36 : x
  2. Step 2: Convert to fraction form
    6,210.30/8,570.70 = 3,558.36/x
  3. Step 3: Cross multiply
    6,210.30x = 8,570.70 × 3,558.36
  4. Step 4: Simplify right side
    6,210.30x = 30,497,636.05
  5. Step 5: Solve for x
    x = 30,497,636.05/6,210.30
  6. Step 6: Final answer
    x = 4,910.82

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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.