Home / 6,853.31-9,457.58-3,709.49

Finding the Fourth Proportional to 6,853.31, 9,457.58 and 3,709.49

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Solution

The fourth proportional to 6,853.31, 9,457.58 and 3,709.49 is: 5,119.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,853.31 : 9,457.58 = 3,709.49 : x
  2. Step 2: Convert to fraction form
    6,853.31/9,457.58 = 3,709.49/x
  3. Step 3: Cross multiply
    6,853.31x = 9,457.58 × 3,709.49
  4. Step 4: Simplify right side
    6,853.31x = 35,082,803.53
  5. Step 5: Solve for x
    x = 35,082,803.53/6,853.31
  6. Step 6: Final answer
    x = 5,119.11

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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.