Home / 7,997.08-12,003.18-4,302.40

Finding the Fourth Proportional to 7,997.08, 12,003.18 and 4,302.40

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Solution

The fourth proportional to 7,997.08, 12,003.18 and 4,302.40 is: 6,457.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.08 : 12,003.18 = 4,302.40 : x
  2. Step 2: Convert to fraction form
    7,997.08/12,003.18 = 4,302.40/x
  3. Step 3: Cross multiply
    7,997.08x = 12,003.18 × 4,302.40
  4. Step 4: Simplify right side
    7,997.08x = 51,642,481.63
  5. Step 5: Solve for x
    x = 51,642,481.63/7,997.08
  6. Step 6: Final answer
    x = 6,457.67

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1.5x scale

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.