Home / 8,767.34-13,152.81-3,220.74

Finding the Fourth Proportional to 8,767.34, 13,152.81 and 3,220.74

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Solution

The fourth proportional to 8,767.34, 13,152.81 and 3,220.74 is: 4,831.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.34 : 13,152.81 = 3,220.74 : x
  2. Step 2: Convert to fraction form
    8,767.34/13,152.81 = 3,220.74/x
  3. Step 3: Cross multiply
    8,767.34x = 13,152.81 × 3,220.74
  4. Step 4: Simplify right side
    8,767.34x = 42,361,729.19
  5. Step 5: Solve for x
    x = 42,361,729.19/8,767.34
  6. Step 6: Final answer
    x = 4,831.77

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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.