Home / 7,993.89-11,031.57-4,457.01

Finding the Fourth Proportional to 7,993.89, 11,031.57 and 4,457.01

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Solution

The fourth proportional to 7,993.89, 11,031.57 and 4,457.01 is: 6,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.89 : 11,031.57 = 4,457.01 : x
  2. Step 2: Convert to fraction form
    7,993.89/11,031.57 = 4,457.01/x
  3. Step 3: Cross multiply
    7,993.89x = 11,031.57 × 4,457.01
  4. Step 4: Simplify right side
    7,993.89x = 49,167,817.81
  5. Step 5: Solve for x
    x = 49,167,817.81/7,993.89
  6. Step 6: Final answer
    x = 6,150.67

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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.