Home / 8,817.28-13,228.62-2,973.40

Finding the Fourth Proportional to 8,817.28, 13,228.62 and 2,973.40

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Solution

The fourth proportional to 8,817.28, 13,228.62 and 2,973.40 is: 4,461.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.28 : 13,228.62 = 2,973.40 : x
  2. Step 2: Convert to fraction form
    8,817.28/13,228.62 = 2,973.40/x
  3. Step 3: Cross multiply
    8,817.28x = 13,228.62 × 2,973.40
  4. Step 4: Simplify right side
    8,817.28x = 39,333,978.71
  5. Step 5: Solve for x
    x = 39,333,978.71/8,817.28
  6. Step 6: Final answer
    x = 4,461.01

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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.