Home / 4,409.34-6,614.46-1,289.40

Finding the Fourth Proportional to 4,409.34, 6,614.46 and 1,289.40

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Solution

The fourth proportional to 4,409.34, 6,614.46 and 1,289.40 is: 1,934.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.34 : 6,614.46 = 1,289.40 : x
  2. Step 2: Convert to fraction form
    4,409.34/6,614.46 = 1,289.40/x
  3. Step 3: Cross multiply
    4,409.34x = 6,614.46 × 1,289.40
  4. Step 4: Simplify right side
    4,409.34x = 8,528,694.81
  5. Step 5: Solve for x
    x = 8,528,694.81/4,409.34
  6. Step 6: Final answer
    x = 1,934.23

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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.