Home / 8,547.25-12,818.82-4,385.11

Finding the Fourth Proportional to 8,547.25, 12,818.82 and 4,385.11

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Solution

The fourth proportional to 8,547.25, 12,818.82 and 4,385.11 is: 6,576.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.25 : 12,818.82 = 4,385.11 : x
  2. Step 2: Convert to fraction form
    8,547.25/12,818.82 = 4,385.11/x
  3. Step 3: Cross multiply
    8,547.25x = 12,818.82 × 4,385.11
  4. Step 4: Simplify right side
    8,547.25x = 56,211,935.77
  5. Step 5: Solve for x
    x = 56,211,935.77/8,547.25
  6. Step 6: Final answer
    x = 6,576.61

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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.