Home / 9,771.56-13,484.72-5,295.43

Finding the Fourth Proportional to 9,771.56, 13,484.72 and 5,295.43

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Solution

The fourth proportional to 9,771.56, 13,484.72 and 5,295.43 is: 7,307.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771.56 : 13,484.72 = 5,295.43 : x
  2. Step 2: Convert to fraction form
    9,771.56/13,484.72 = 5,295.43/x
  3. Step 3: Cross multiply
    9,771.56x = 13,484.72 × 5,295.43
  4. Step 4: Simplify right side
    9,771.56x = 71,407,330.64
  5. Step 5: Solve for x
    x = 71,407,330.64/9,771.56
  6. Step 6: Final answer
    x = 7,307.67

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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.