Home / 6,303.38-9,457.13-1,920.85

Finding the Fourth Proportional to 6,303.38, 9,457.13 and 1,920.85

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Solution

The fourth proportional to 6,303.38, 9,457.13 and 1,920.85 is: 2,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,303.38 : 9,457.13 = 1,920.85 : x
  2. Step 2: Convert to fraction form
    6,303.38/9,457.13 = 1,920.85/x
  3. Step 3: Cross multiply
    6,303.38x = 9,457.13 × 1,920.85
  4. Step 4: Simplify right side
    6,303.38x = 18,165,709.32
  5. Step 5: Solve for x
    x = 18,165,709.32/6,303.38
  6. Step 6: Final answer
    x = 2,881.90

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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.