Home / 7,885.10-11,828.73-2,886.81

Finding the Fourth Proportional to 7,885.10, 11,828.73 and 2,886.81

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Solution

The fourth proportional to 7,885.10, 11,828.73 and 2,886.81 is: 4,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.10 : 11,828.73 = 2,886.81 : x
  2. Step 2: Convert to fraction form
    7,885.10/11,828.73 = 2,886.81/x
  3. Step 3: Cross multiply
    7,885.10x = 11,828.73 × 2,886.81
  4. Step 4: Simplify right side
    7,885.10x = 34,147,362.32
  5. Step 5: Solve for x
    x = 34,147,362.32/7,885.10
  6. Step 6: Final answer
    x = 4,330.62

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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.