Home / 10,389.16-15,562.94-4,834.79

Finding the Fourth Proportional to 10,389.16, 15,562.94 and 4,834.79

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Solution

The fourth proportional to 10,389.16, 15,562.94 and 4,834.79 is: 7,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.16 : 15,562.94 = 4,834.79 : x
  2. Step 2: Convert to fraction form
    10,389.16/15,562.94 = 4,834.79/x
  3. Step 3: Cross multiply
    10,389.16x = 15,562.94 × 4,834.79
  4. Step 4: Simplify right side
    10,389.16x = 75,243,503.05
  5. Step 5: Solve for x
    x = 75,243,503.05/10,389.16
  6. Step 6: Final answer
    x = 7,242.50

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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.