Home / 8,276.72-11,421.89-4,550.72

Finding the Fourth Proportional to 8,276.72, 11,421.89 and 4,550.72

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Solution

The fourth proportional to 8,276.72, 11,421.89 and 4,550.72 is: 6,280.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.72 : 11,421.89 = 4,550.72 : x
  2. Step 2: Convert to fraction form
    8,276.72/11,421.89 = 4,550.72/x
  3. Step 3: Cross multiply
    8,276.72x = 11,421.89 × 4,550.72
  4. Step 4: Simplify right side
    8,276.72x = 51,977,863.19
  5. Step 5: Solve for x
    x = 51,977,863.19/8,276.72
  6. Step 6: Final answer
    x = 6,280.01

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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.