Home / 5,359.34-8,051.36-5,137.91

Finding the Fourth Proportional to 5,359.34, 8,051.36 and 5,137.91

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Solution

The fourth proportional to 5,359.34, 8,051.36 and 5,137.91 is: 7,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.34 : 8,051.36 = 5,137.91 : x
  2. Step 2: Convert to fraction form
    5,359.34/8,051.36 = 5,137.91/x
  3. Step 3: Cross multiply
    5,359.34x = 8,051.36 × 5,137.91
  4. Step 4: Simplify right side
    5,359.34x = 41,367,163.06
  5. Step 5: Solve for x
    x = 41,367,163.06/5,359.34
  6. Step 6: Final answer
    x = 7,718.70

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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.