Home / 8,900.34-13,350.40-3,638.17

Finding the Fourth Proportional to 8,900.34, 13,350.40 and 3,638.17

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Solution

The fourth proportional to 8,900.34, 13,350.40 and 3,638.17 is: 5,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.34 : 13,350.40 = 3,638.17 : x
  2. Step 2: Convert to fraction form
    8,900.34/13,350.40 = 3,638.17/x
  3. Step 3: Cross multiply
    8,900.34x = 13,350.40 × 3,638.17
  4. Step 4: Simplify right side
    8,900.34x = 48,571,024.77
  5. Step 5: Solve for x
    x = 48,571,024.77/8,900.34
  6. Step 6: Final answer
    x = 5,457.21

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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.