Home / 7,457.58-10,273.68-5,215.26

Finding the Fourth Proportional to 7,457.58, 10,273.68 and 5,215.26

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Solution

The fourth proportional to 7,457.58, 10,273.68 and 5,215.26 is: 7,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.58 : 10,273.68 = 5,215.26 : x
  2. Step 2: Convert to fraction form
    7,457.58/10,273.68 = 5,215.26/x
  3. Step 3: Cross multiply
    7,457.58x = 10,273.68 × 5,215.26
  4. Step 4: Simplify right side
    7,457.58x = 53,579,912.36
  5. Step 5: Solve for x
    x = 53,579,912.36/7,457.58
  6. Step 6: Final answer
    x = 7,184.62

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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.