Home / 5,087.85-7,025.36-3,775.65

Finding the Fourth Proportional to 5,087.85, 7,025.36 and 3,775.65

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Solution

The fourth proportional to 5,087.85, 7,025.36 and 3,775.65 is: 5,213.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.85 : 7,025.36 = 3,775.65 : x
  2. Step 2: Convert to fraction form
    5,087.85/7,025.36 = 3,775.65/x
  3. Step 3: Cross multiply
    5,087.85x = 7,025.36 × 3,775.65
  4. Step 4: Simplify right side
    5,087.85x = 26,525,281.61
  5. Step 5: Solve for x
    x = 26,525,281.61/5,087.85
  6. Step 6: Final answer
    x = 5,213.46

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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.