Home / 7,427.93-11,141.60-1,881.47

Finding the Fourth Proportional to 7,427.93, 11,141.60 and 1,881.47

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Solution

The fourth proportional to 7,427.93, 11,141.60 and 1,881.47 is: 2,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.93 : 11,141.60 = 1,881.47 : x
  2. Step 2: Convert to fraction form
    7,427.93/11,141.60 = 1,881.47/x
  3. Step 3: Cross multiply
    7,427.93x = 11,141.60 × 1,881.47
  4. Step 4: Simplify right side
    7,427.93x = 20,962,535.15
  5. Step 5: Solve for x
    x = 20,962,535.15/7,427.93
  6. Step 6: Final answer
    x = 2,822.13

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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.