Home / 8,445.37-11,651.75-4,905.67

Finding the Fourth Proportional to 8,445.37, 11,651.75 and 4,905.67

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Solution

The fourth proportional to 8,445.37, 11,651.75 and 4,905.67 is: 6,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.37 : 11,651.75 = 4,905.67 : x
  2. Step 2: Convert to fraction form
    8,445.37/11,651.75 = 4,905.67/x
  3. Step 3: Cross multiply
    8,445.37x = 11,651.75 × 4,905.67
  4. Step 4: Simplify right side
    8,445.37x = 57,159,582.16
  5. Step 5: Solve for x
    x = 57,159,582.16/8,445.37
  6. Step 6: Final answer
    x = 6,768.16

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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.