Home / 4,776.40-7,158.84-2,176.72

Finding the Fourth Proportional to 4,776.40, 7,158.84 and 2,176.72

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Solution

The fourth proportional to 4,776.40, 7,158.84 and 2,176.72 is: 3,262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.40 : 7,158.84 = 2,176.72 : x
  2. Step 2: Convert to fraction form
    4,776.40/7,158.84 = 2,176.72/x
  3. Step 3: Cross multiply
    4,776.40x = 7,158.84 × 2,176.72
  4. Step 4: Simplify right side
    4,776.40x = 15,582,790.20
  5. Step 5: Solve for x
    x = 15,582,790.20/4,776.40
  6. Step 6: Final answer
    x = 3,262.46

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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.