Home / 6,455.20-9,682.80-5,701.90

Finding the Fourth Proportional to 6,455.20, 9,682.80 and 5,701.90

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Solution

The fourth proportional to 6,455.20, 9,682.80 and 5,701.90 is: 8,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.20 : 9,682.80 = 5,701.90 : x
  2. Step 2: Convert to fraction form
    6,455.20/9,682.80 = 5,701.90/x
  3. Step 3: Cross multiply
    6,455.20x = 9,682.80 × 5,701.90
  4. Step 4: Simplify right side
    6,455.20x = 55,210,357.32
  5. Step 5: Solve for x
    x = 55,210,357.32/6,455.20
  6. Step 6: Final answer
    x = 8,552.85

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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.