Home / 9,077.80-13,621.04-4,401.76

Finding the Fourth Proportional to 9,077.80, 13,621.04 and 4,401.76

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Solution

The fourth proportional to 9,077.80, 13,621.04 and 4,401.76 is: 6,604.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,077.80 : 13,621.04 = 4,401.76 : x
  2. Step 2: Convert to fraction form
    9,077.80/13,621.04 = 4,401.76/x
  3. Step 3: Cross multiply
    9,077.80x = 13,621.04 × 4,401.76
  4. Step 4: Simplify right side
    9,077.80x = 59,956,549.03
  5. Step 5: Solve for x
    x = 59,956,549.03/9,077.80
  6. Step 6: Final answer
    x = 6,604.74

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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.