Home / 5,451.54-7,499.50-4,776.30

Finding the Fourth Proportional to 5,451.54, 7,499.50 and 4,776.30

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Solution

The fourth proportional to 5,451.54, 7,499.50 and 4,776.30 is: 6,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.54 : 7,499.50 = 4,776.30 : x
  2. Step 2: Convert to fraction form
    5,451.54/7,499.50 = 4,776.30/x
  3. Step 3: Cross multiply
    5,451.54x = 7,499.50 × 4,776.30
  4. Step 4: Simplify right side
    5,451.54x = 35,819,861.85
  5. Step 5: Solve for x
    x = 35,819,861.85/5,451.54
  6. Step 6: Final answer
    x = 6,570.60

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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.