Home / 7,457.13-11,185.83-3,071.52

Finding the Fourth Proportional to 7,457.13, 11,185.83 and 3,071.52

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Solution

The fourth proportional to 7,457.13, 11,185.83 and 3,071.52 is: 4,607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.13 : 11,185.83 = 3,071.52 : x
  2. Step 2: Convert to fraction form
    7,457.13/11,185.83 = 3,071.52/x
  3. Step 3: Cross multiply
    7,457.13x = 11,185.83 × 3,071.52
  4. Step 4: Simplify right side
    7,457.13x = 34,357,500.56
  5. Step 5: Solve for x
    x = 34,357,500.56/7,457.13
  6. Step 6: Final answer
    x = 4,607.34

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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.