Home / 7,886.32-11,829.12-2,955.54

Finding the Fourth Proportional to 7,886.32, 11,829.12 and 2,955.54

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Solution

The fourth proportional to 7,886.32, 11,829.12 and 2,955.54 is: 4,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.32 : 11,829.12 = 2,955.54 : x
  2. Step 2: Convert to fraction form
    7,886.32/11,829.12 = 2,955.54/x
  3. Step 3: Cross multiply
    7,886.32x = 11,829.12 × 2,955.54
  4. Step 4: Simplify right side
    7,886.32x = 34,961,437.32
  5. Step 5: Solve for x
    x = 34,961,437.32/7,886.32
  6. Step 6: Final answer
    x = 4,433.18

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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.