Home / 5,013.52-6,919.50-2,918.86

Finding the Fourth Proportional to 5,013.52, 6,919.50 and 2,918.86

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Solution

The fourth proportional to 5,013.52, 6,919.50 and 2,918.86 is: 4,028.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.52 : 6,919.50 = 2,918.86 : x
  2. Step 2: Convert to fraction form
    5,013.52/6,919.50 = 2,918.86/x
  3. Step 3: Cross multiply
    5,013.52x = 6,919.50 × 2,918.86
  4. Step 4: Simplify right side
    5,013.52x = 20,197,051.77
  5. Step 5: Solve for x
    x = 20,197,051.77/5,013.52
  6. Step 6: Final answer
    x = 4,028.52

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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.