Home / 4,655.21-7,014.87-3,851.55

Finding the Fourth Proportional to 4,655.21, 7,014.87 and 3,851.55

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Solution

The fourth proportional to 4,655.21, 7,014.87 and 3,851.55 is: 5,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,655.21 : 7,014.87 = 3,851.55 : x
  2. Step 2: Convert to fraction form
    4,655.21/7,014.87 = 3,851.55/x
  3. Step 3: Cross multiply
    4,655.21x = 7,014.87 × 3,851.55
  4. Step 4: Simplify right side
    4,655.21x = 27,018,122.55
  5. Step 5: Solve for x
    x = 27,018,122.55/4,655.21
  6. Step 6: Final answer
    x = 5,803.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.