Home / 5,340.63-8,009.70-1,445.34

Finding the Fourth Proportional to 5,340.63, 8,009.70 and 1,445.34

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Solution

The fourth proportional to 5,340.63, 8,009.70 and 1,445.34 is: 2,167.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.63 : 8,009.70 = 1,445.34 : x
  2. Step 2: Convert to fraction form
    5,340.63/8,009.70 = 1,445.34/x
  3. Step 3: Cross multiply
    5,340.63x = 8,009.70 × 1,445.34
  4. Step 4: Simplify right side
    5,340.63x = 11,576,739.80
  5. Step 5: Solve for x
    x = 11,576,739.80/5,340.63
  6. Step 6: Final answer
    x = 2,167.67

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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.