Home / 6,853.24-9,457.75-3,869.07

Finding the Fourth Proportional to 6,853.24, 9,457.75 and 3,869.07

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Solution

The fourth proportional to 6,853.24, 9,457.75 and 3,869.07 is: 5,339.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,853.24 : 9,457.75 = 3,869.07 : x
  2. Step 2: Convert to fraction form
    6,853.24/9,457.75 = 3,869.07/x
  3. Step 3: Cross multiply
    6,853.24x = 9,457.75 × 3,869.07
  4. Step 4: Simplify right side
    6,853.24x = 36,592,696.79
  5. Step 5: Solve for x
    x = 36,592,696.79/6,853.24
  6. Step 6: Final answer
    x = 5,339.47

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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.