Home / 6,899.19-10,328.72-6,186.80

Finding the Fourth Proportional to 6,899.19, 10,328.72 and 6,186.80

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Solution

The fourth proportional to 6,899.19, 10,328.72 and 6,186.80 is: 9,262.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.19 : 10,328.72 = 6,186.80 : x
  2. Step 2: Convert to fraction form
    6,899.19/10,328.72 = 6,186.80/x
  3. Step 3: Cross multiply
    6,899.19x = 10,328.72 × 6,186.80
  4. Step 4: Simplify right side
    6,899.19x = 63,901,642.32
  5. Step 5: Solve for x
    x = 63,901,642.32/6,899.19
  6. Step 6: Final answer
    x = 9,262.19

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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.