Home / 8,868.84-13,302.54-4,972.20

Finding the Fourth Proportional to 8,868.84, 13,302.54 and 4,972.20

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Solution

The fourth proportional to 8,868.84, 13,302.54 and 4,972.20 is: 7,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.84 : 13,302.54 = 4,972.20 : x
  2. Step 2: Convert to fraction form
    8,868.84/13,302.54 = 4,972.20/x
  3. Step 3: Cross multiply
    8,868.84x = 13,302.54 × 4,972.20
  4. Step 4: Simplify right side
    8,868.84x = 66,142,889.39
  5. Step 5: Solve for x
    x = 66,142,889.39/8,868.84
  6. Step 6: Final answer
    x = 7,457.90

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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.