Home / 8,199.81-11,315.85-4,663.01

Finding the Fourth Proportional to 8,199.81, 11,315.85 and 4,663.01

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Solution

The fourth proportional to 8,199.81, 11,315.85 and 4,663.01 is: 6,435.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.81 : 11,315.85 = 4,663.01 : x
  2. Step 2: Convert to fraction form
    8,199.81/11,315.85 = 4,663.01/x
  3. Step 3: Cross multiply
    8,199.81x = 11,315.85 × 4,663.01
  4. Step 4: Simplify right side
    8,199.81x = 52,765,921.71
  5. Step 5: Solve for x
    x = 52,765,921.71/8,199.81
  6. Step 6: Final answer
    x = 6,435.02

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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.