Home / 7,895.49-11,832.98-3,210.05

Finding the Fourth Proportional to 7,895.49, 11,832.98 and 3,210.05

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Solution

The fourth proportional to 7,895.49, 11,832.98 and 3,210.05 is: 4,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.49 : 11,832.98 = 3,210.05 : x
  2. Step 2: Convert to fraction form
    7,895.49/11,832.98 = 3,210.05/x
  3. Step 3: Cross multiply
    7,895.49x = 11,832.98 × 3,210.05
  4. Step 4: Simplify right side
    7,895.49x = 37,984,382.23
  5. Step 5: Solve for x
    x = 37,984,382.23/7,895.49
  6. Step 6: Final answer
    x = 4,810.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.