Home / 6,140.44-8,458.98-5,073.76

Finding the Fourth Proportional to 6,140.44, 8,458.98 and 5,073.76

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Solution

The fourth proportional to 6,140.44, 8,458.98 and 5,073.76 is: 6,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.44 : 8,458.98 = 5,073.76 : x
  2. Step 2: Convert to fraction form
    6,140.44/8,458.98 = 5,073.76/x
  3. Step 3: Cross multiply
    6,140.44x = 8,458.98 × 5,073.76
  4. Step 4: Simplify right side
    6,140.44x = 42,918,834.36
  5. Step 5: Solve for x
    x = 42,918,834.36/6,140.44
  6. Step 6: Final answer
    x = 6,989.54

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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.