Home / 7,314.32-10,975.08-3,616.40

Finding the Fourth Proportional to 7,314.32, 10,975.08 and 3,616.40

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Solution

The fourth proportional to 7,314.32, 10,975.08 and 3,616.40 is: 5,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314.32 : 10,975.08 = 3,616.40 : x
  2. Step 2: Convert to fraction form
    7,314.32/10,975.08 = 3,616.40/x
  3. Step 3: Cross multiply
    7,314.32x = 10,975.08 × 3,616.40
  4. Step 4: Simplify right side
    7,314.32x = 39,690,279.31
  5. Step 5: Solve for x
    x = 39,690,279.31/7,314.32
  6. Step 6: Final answer
    x = 5,426.38

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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.