Home / 7,353.10-11,030.07-2,087.70

Finding the Fourth Proportional to 7,353.10, 11,030.07 and 2,087.70

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Solution

The fourth proportional to 7,353.10, 11,030.07 and 2,087.70 is: 3,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.10 : 11,030.07 = 2,087.70 : x
  2. Step 2: Convert to fraction form
    7,353.10/11,030.07 = 2,087.70/x
  3. Step 3: Cross multiply
    7,353.10x = 11,030.07 × 2,087.70
  4. Step 4: Simplify right side
    7,353.10x = 23,027,477.14
  5. Step 5: Solve for x
    x = 23,027,477.14/7,353.10
  6. Step 6: Final answer
    x = 3,131.67

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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.