Home / 8,434.96-12,643.62-2,886.44

Finding the Fourth Proportional to 8,434.96, 12,643.62 and 2,886.44

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Solution

The fourth proportional to 8,434.96, 12,643.62 and 2,886.44 is: 4,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.96 : 12,643.62 = 2,886.44 : x
  2. Step 2: Convert to fraction form
    8,434.96/12,643.62 = 2,886.44/x
  3. Step 3: Cross multiply
    8,434.96x = 12,643.62 × 2,886.44
  4. Step 4: Simplify right side
    8,434.96x = 36,495,050.51
  5. Step 5: Solve for x
    x = 36,495,050.51/8,434.96
  6. Step 6: Final answer
    x = 4,326.64

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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.