Home / 7,688.19-10,609.73-4,662.30

Finding the Fourth Proportional to 7,688.19, 10,609.73 and 4,662.30

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Solution

The fourth proportional to 7,688.19, 10,609.73 and 4,662.30 is: 6,433.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.19 : 10,609.73 = 4,662.30 : x
  2. Step 2: Convert to fraction form
    7,688.19/10,609.73 = 4,662.30/x
  3. Step 3: Cross multiply
    7,688.19x = 10,609.73 × 4,662.30
  4. Step 4: Simplify right side
    7,688.19x = 49,465,744.18
  5. Step 5: Solve for x
    x = 49,465,744.18/7,688.19
  6. Step 6: Final answer
    x = 6,433.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.