Home / 6,455.12-8,907.42-3,803.18

Finding the Fourth Proportional to 6,455.12, 8,907.42 and 3,803.18

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Solution

The fourth proportional to 6,455.12, 8,907.42 and 3,803.18 is: 5,248.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.12 : 8,907.42 = 3,803.18 : x
  2. Step 2: Convert to fraction form
    6,455.12/8,907.42 = 3,803.18/x
  3. Step 3: Cross multiply
    6,455.12x = 8,907.42 × 3,803.18
  4. Step 4: Simplify right side
    6,455.12x = 33,876,521.60
  5. Step 5: Solve for x
    x = 33,876,521.60/6,455.12
  6. Step 6: Final answer
    x = 5,248.01

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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.