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Finding the Fourth Proportional to 7,751.03, 10,700.37 and 5,246.37

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Solution

The fourth proportional to 7,751.03, 10,700.37 and 5,246.37 is: 7,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.03 : 10,700.37 = 5,246.37 : x
  2. Step 2: Convert to fraction form
    7,751.03/10,700.37 = 5,246.37/x
  3. Step 3: Cross multiply
    7,751.03x = 10,700.37 × 5,246.37
  4. Step 4: Simplify right side
    7,751.03x = 56,138,100.16
  5. Step 5: Solve for x
    x = 56,138,100.16/7,751.03
  6. Step 6: Final answer
    x = 7,242.67

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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.