Home / 8,920.96-13,389.75-4,541.70

Finding the Fourth Proportional to 8,920.96, 13,389.75 and 4,541.70

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Solution

The fourth proportional to 8,920.96, 13,389.75 and 4,541.70 is: 6,816.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.96 : 13,389.75 = 4,541.70 : x
  2. Step 2: Convert to fraction form
    8,920.96/13,389.75 = 4,541.70/x
  3. Step 3: Cross multiply
    8,920.96x = 13,389.75 × 4,541.70
  4. Step 4: Simplify right side
    8,920.96x = 60,812,189.70
  5. Step 5: Solve for x
    x = 60,812,189.70/8,920.96
  6. Step 6: Final answer
    x = 6,816.77

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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.