Home / 8,987.22-12,401.24-4,953.96

Finding the Fourth Proportional to 8,987.22, 12,401.24 and 4,953.96

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Solution

The fourth proportional to 8,987.22, 12,401.24 and 4,953.96 is: 6,835.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987.22 : 12,401.24 = 4,953.96 : x
  2. Step 2: Convert to fraction form
    8,987.22/12,401.24 = 4,953.96/x
  3. Step 3: Cross multiply
    8,987.22x = 12,401.24 × 4,953.96
  4. Step 4: Simplify right side
    8,987.22x = 61,435,222.14
  5. Step 5: Solve for x
    x = 61,435,222.14/8,987.22
  6. Step 6: Final answer
    x = 6,835.84

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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.