Home / 5,419.95-7,483.01-4,427.61

Finding the Fourth Proportional to 5,419.95, 7,483.01 and 4,427.61

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Solution

The fourth proportional to 5,419.95, 7,483.01 and 4,427.61 is: 6,112.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.95 : 7,483.01 = 4,427.61 : x
  2. Step 2: Convert to fraction form
    5,419.95/7,483.01 = 4,427.61/x
  3. Step 3: Cross multiply
    5,419.95x = 7,483.01 × 4,427.61
  4. Step 4: Simplify right side
    5,419.95x = 33,131,827.77
  5. Step 5: Solve for x
    x = 33,131,827.77/5,419.95
  6. Step 6: Final answer
    x = 6,112.94

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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.