Home / 8,851.58-12,215.47-4,872.99

Finding the Fourth Proportional to 8,851.58, 12,215.47 and 4,872.99

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Solution

The fourth proportional to 8,851.58, 12,215.47 and 4,872.99 is: 6,724.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.58 : 12,215.47 = 4,872.99 : x
  2. Step 2: Convert to fraction form
    8,851.58/12,215.47 = 4,872.99/x
  3. Step 3: Cross multiply
    8,851.58x = 12,215.47 × 4,872.99
  4. Step 4: Simplify right side
    8,851.58x = 59,525,905.92
  5. Step 5: Solve for x
    x = 59,525,905.92/8,851.58
  6. Step 6: Final answer
    x = 6,724.89

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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.