Home / 8,072.81-11,139.27-4,535.35

Finding the Fourth Proportional to 8,072.81, 11,139.27 and 4,535.35

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Solution

The fourth proportional to 8,072.81, 11,139.27 and 4,535.35 is: 6,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.81 : 11,139.27 = 4,535.35 : x
  2. Step 2: Convert to fraction form
    8,072.81/11,139.27 = 4,535.35/x
  3. Step 3: Cross multiply
    8,072.81x = 11,139.27 × 4,535.35
  4. Step 4: Simplify right side
    8,072.81x = 50,520,432.50
  5. Step 5: Solve for x
    x = 50,520,432.50/8,072.81
  6. Step 6: Final answer
    x = 6,258.10

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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.