Home / 5,427.58-8,139.74-2,307.56

Finding the Fourth Proportional to 5,427.58, 8,139.74 and 2,307.56

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Solution

The fourth proportional to 5,427.58, 8,139.74 and 2,307.56 is: 3,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.58 : 8,139.74 = 2,307.56 : x
  2. Step 2: Convert to fraction form
    5,427.58/8,139.74 = 2,307.56/x
  3. Step 3: Cross multiply
    5,427.58x = 8,139.74 × 2,307.56
  4. Step 4: Simplify right side
    5,427.58x = 18,782,938.43
  5. Step 5: Solve for x
    x = 18,782,938.43/5,427.58
  6. Step 6: Final answer
    x = 3,460.65

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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.