Home / 4,977.72-6,857.33-4,267.32

Finding the Fourth Proportional to 4,977.72, 6,857.33 and 4,267.32

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Solution

The fourth proportional to 4,977.72, 6,857.33 and 4,267.32 is: 5,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.72 : 6,857.33 = 4,267.32 : x
  2. Step 2: Convert to fraction form
    4,977.72/6,857.33 = 4,267.32/x
  3. Step 3: Cross multiply
    4,977.72x = 6,857.33 × 4,267.32
  4. Step 4: Simplify right side
    4,977.72x = 29,262,421.46
  5. Step 5: Solve for x
    x = 29,262,421.46/4,977.72
  6. Step 6: Final answer
    x = 5,878.68

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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.