Home / 4,059.72-6,089.76-1,138.20

Finding the Fourth Proportional to 4,059.72, 6,089.76 and 1,138.20

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Solution

The fourth proportional to 4,059.72, 6,089.76 and 1,138.20 is: 1,707.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,059.72 : 6,089.76 = 1,138.20 : x
  2. Step 2: Convert to fraction form
    4,059.72/6,089.76 = 1,138.20/x
  3. Step 3: Cross multiply
    4,059.72x = 6,089.76 × 1,138.20
  4. Step 4: Simplify right side
    4,059.72x = 6,931,364.83
  5. Step 5: Solve for x
    x = 6,931,364.83/4,059.72
  6. Step 6: Final answer
    x = 1,707.35

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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.