Home / 8,880.67-12,254.66-5,103.84

Finding the Fourth Proportional to 8,880.67, 12,254.66 and 5,103.84

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Solution

The fourth proportional to 8,880.67, 12,254.66 and 5,103.84 is: 7,042.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.67 : 12,254.66 = 5,103.84 : x
  2. Step 2: Convert to fraction form
    8,880.67/12,254.66 = 5,103.84/x
  3. Step 3: Cross multiply
    8,880.67x = 12,254.66 × 5,103.84
  4. Step 4: Simplify right side
    8,880.67x = 62,545,823.89
  5. Step 5: Solve for x
    x = 62,545,823.89/8,880.67
  6. Step 6: Final answer
    x = 7,042.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.