Home / 7,182.26-9,909.91-4,156.91

Finding the Fourth Proportional to 7,182.26, 9,909.91 and 4,156.91

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Solution

The fourth proportional to 7,182.26, 9,909.91 and 4,156.91 is: 5,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.26 : 9,909.91 = 4,156.91 : x
  2. Step 2: Convert to fraction form
    7,182.26/9,909.91 = 4,156.91/x
  3. Step 3: Cross multiply
    7,182.26x = 9,909.91 × 4,156.91
  4. Step 4: Simplify right side
    7,182.26x = 41,194,583.19
  5. Step 5: Solve for x
    x = 41,194,583.19/7,182.26
  6. Step 6: Final answer
    x = 5,735.60

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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.