Home / 4,180.71-6,271.89-1,715.49

Finding the Fourth Proportional to 4,180.71, 6,271.89 and 1,715.49

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Solution

The fourth proportional to 4,180.71, 6,271.89 and 1,715.49 is: 2,573.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.71 : 6,271.89 = 1,715.49 : x
  2. Step 2: Convert to fraction form
    4,180.71/6,271.89 = 1,715.49/x
  3. Step 3: Cross multiply
    4,180.71x = 6,271.89 × 1,715.49
  4. Step 4: Simplify right side
    4,180.71x = 10,759,364.58
  5. Step 5: Solve for x
    x = 10,759,364.58/4,180.71
  6. Step 6: Final answer
    x = 2,573.57

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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.