Home / 8,725.66-13,084.08-2,880.34

Finding the Fourth Proportional to 8,725.66, 13,084.08 and 2,880.34

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Solution

The fourth proportional to 8,725.66, 13,084.08 and 2,880.34 is: 4,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.66 : 13,084.08 = 2,880.34 : x
  2. Step 2: Convert to fraction form
    8,725.66/13,084.08 = 2,880.34/x
  3. Step 3: Cross multiply
    8,725.66x = 13,084.08 × 2,880.34
  4. Step 4: Simplify right side
    8,725.66x = 37,686,598.99
  5. Step 5: Solve for x
    x = 37,686,598.99/8,725.66
  6. Step 6: Final answer
    x = 4,319.05

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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.