Home / 8,210.13-11,330.21-4,484.37

Finding the Fourth Proportional to 8,210.13, 11,330.21 and 4,484.37

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Solution

The fourth proportional to 8,210.13, 11,330.21 and 4,484.37 is: 6,188.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.13 : 11,330.21 = 4,484.37 : x
  2. Step 2: Convert to fraction form
    8,210.13/11,330.21 = 4,484.37/x
  3. Step 3: Cross multiply
    8,210.13x = 11,330.21 × 4,484.37
  4. Step 4: Simplify right side
    8,210.13x = 50,808,853.82
  5. Step 5: Solve for x
    x = 50,808,853.82/8,210.13
  6. Step 6: Final answer
    x = 6,188.56

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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.