Home / 5,087.40-7,014.44-3,953.40

Finding the Fourth Proportional to 5,087.40, 7,014.44 and 3,953.40

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Solution

The fourth proportional to 5,087.40, 7,014.44 and 3,953.40 is: 5,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.40 : 7,014.44 = 3,953.40 : x
  2. Step 2: Convert to fraction form
    5,087.40/7,014.44 = 3,953.40/x
  3. Step 3: Cross multiply
    5,087.40x = 7,014.44 × 3,953.40
  4. Step 4: Simplify right side
    5,087.40x = 27,730,887.10
  5. Step 5: Solve for x
    x = 27,730,887.10/5,087.40
  6. Step 6: Final answer
    x = 5,450.90

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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.