Home / 8,268.40-12,401.88-4,803.76

Finding the Fourth Proportional to 8,268.40, 12,401.88 and 4,803.76

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Solution

The fourth proportional to 8,268.40, 12,401.88 and 4,803.76 is: 7,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.40 : 12,401.88 = 4,803.76 : x
  2. Step 2: Convert to fraction form
    8,268.40/12,401.88 = 4,803.76/x
  3. Step 3: Cross multiply
    8,268.40x = 12,401.88 × 4,803.76
  4. Step 4: Simplify right side
    8,268.40x = 59,575,655.07
  5. Step 5: Solve for x
    x = 59,575,655.07/8,268.40
  6. Step 6: Final answer
    x = 7,205.22

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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.