Home / 5,129.31-7,077.56-3,032.67

Finding the Fourth Proportional to 5,129.31, 7,077.56 and 3,032.67

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Solution

The fourth proportional to 5,129.31, 7,077.56 and 3,032.67 is: 4,184.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.31 : 7,077.56 = 3,032.67 : x
  2. Step 2: Convert to fraction form
    5,129.31/7,077.56 = 3,032.67/x
  3. Step 3: Cross multiply
    5,129.31x = 7,077.56 × 3,032.67
  4. Step 4: Simplify right side
    5,129.31x = 21,463,888.72
  5. Step 5: Solve for x
    x = 21,463,888.72/5,129.31
  6. Step 6: Final answer
    x = 4,184.56

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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.