Home / 5,427.42-7,487.55-3,655.95

Finding the Fourth Proportional to 5,427.42, 7,487.55 and 3,655.95

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Solution

The fourth proportional to 5,427.42, 7,487.55 and 3,655.95 is: 5,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.42 : 7,487.55 = 3,655.95 : x
  2. Step 2: Convert to fraction form
    5,427.42/7,487.55 = 3,655.95/x
  3. Step 3: Cross multiply
    5,427.42x = 7,487.55 × 3,655.95
  4. Step 4: Simplify right side
    5,427.42x = 27,374,108.42
  5. Step 5: Solve for x
    x = 27,374,108.42/5,427.42
  6. Step 6: Final answer
    x = 5,043.67

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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.