Home / 8,427.71-12,642.77-4,477.94

Finding the Fourth Proportional to 8,427.71, 12,642.77 and 4,477.94

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Solution

The fourth proportional to 8,427.71, 12,642.77 and 4,477.94 is: 6,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.71 : 12,642.77 = 4,477.94 : x
  2. Step 2: Convert to fraction form
    8,427.71/12,642.77 = 4,477.94/x
  3. Step 3: Cross multiply
    8,427.71x = 12,642.77 × 4,477.94
  4. Step 4: Simplify right side
    8,427.71x = 56,613,527.30
  5. Step 5: Solve for x
    x = 56,613,527.30/8,427.71
  6. Step 6: Final answer
    x = 6,717.54

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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.