Home / 6,303.10-9,455.55-2,143.30

Finding the Fourth Proportional to 6,303.10, 9,455.55 and 2,143.30

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Solution

The fourth proportional to 6,303.10, 9,455.55 and 2,143.30 is: 3,215.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,303.10 : 9,455.55 = 2,143.30 : x
  2. Step 2: Convert to fraction form
    6,303.10/9,455.55 = 2,143.30/x
  3. Step 3: Cross multiply
    6,303.10x = 9,455.55 × 2,143.30
  4. Step 4: Simplify right side
    6,303.10x = 20,266,080.32
  5. Step 5: Solve for x
    x = 20,266,080.32/6,303.10
  6. Step 6: Final answer
    x = 3,215.26

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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.