Home / 8,011.81-11,056.47-4,475.03

Finding the Fourth Proportional to 8,011.81, 11,056.47 and 4,475.03

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Solution

The fourth proportional to 8,011.81, 11,056.47 and 4,475.03 is: 6,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.81 : 11,056.47 = 4,475.03 : x
  2. Step 2: Convert to fraction form
    8,011.81/11,056.47 = 4,475.03/x
  3. Step 3: Cross multiply
    8,011.81x = 11,056.47 × 4,475.03
  4. Step 4: Simplify right side
    8,011.81x = 49,477,979.66
  5. Step 5: Solve for x
    x = 49,477,979.66/8,011.81
  6. Step 6: Final answer
    x = 6,175.63

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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.