Home / 8,821.81-13,220.95-4,660.84

Finding the Fourth Proportional to 8,821.81, 13,220.95 and 4,660.84

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Solution

The fourth proportional to 8,821.81, 13,220.95 and 4,660.84 is: 6,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.81 : 13,220.95 = 4,660.84 : x
  2. Step 2: Convert to fraction form
    8,821.81/13,220.95 = 4,660.84/x
  3. Step 3: Cross multiply
    8,821.81x = 13,220.95 × 4,660.84
  4. Step 4: Simplify right side
    8,821.81x = 61,620,732.60
  5. Step 5: Solve for x
    x = 61,620,732.60/8,821.81
  6. Step 6: Final answer
    x = 6,985.04

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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.