Home / 8,440.09-12,667.80-4,494.65

Finding the Fourth Proportional to 8,440.09, 12,667.80 and 4,494.65

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Solution

The fourth proportional to 8,440.09, 12,667.80 and 4,494.65 is: 6,746.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.09 : 12,667.80 = 4,494.65 : x
  2. Step 2: Convert to fraction form
    8,440.09/12,667.80 = 4,494.65/x
  3. Step 3: Cross multiply
    8,440.09x = 12,667.80 × 4,494.65
  4. Step 4: Simplify right side
    8,440.09x = 56,937,327.27
  5. Step 5: Solve for x
    x = 56,937,327.27/8,440.09
  6. Step 6: Final answer
    x = 6,746.06

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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.