Home / 8,444.41-12,674.54-4,287.40

Finding the Fourth Proportional to 8,444.41, 12,674.54 and 4,287.40

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Solution

The fourth proportional to 8,444.41, 12,674.54 and 4,287.40 is: 6,435.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,444.41 : 12,674.54 = 4,287.40 : x
  2. Step 2: Convert to fraction form
    8,444.41/12,674.54 = 4,287.40/x
  3. Step 3: Cross multiply
    8,444.41x = 12,674.54 × 4,287.40
  4. Step 4: Simplify right side
    8,444.41x = 54,340,801.83
  5. Step 5: Solve for x
    x = 54,340,801.83/8,444.41
  6. Step 6: Final answer
    x = 6,435.12

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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.