Home / 4,271.70-6,407.55-1,151.70

Finding the Fourth Proportional to 4,271.70, 6,407.55 and 1,151.70

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Solution

The fourth proportional to 4,271.70, 6,407.55 and 1,151.70 is: 1,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.70 : 6,407.55 = 1,151.70 : x
  2. Step 2: Convert to fraction form
    4,271.70/6,407.55 = 1,151.70/x
  3. Step 3: Cross multiply
    4,271.70x = 6,407.55 × 1,151.70
  4. Step 4: Simplify right side
    4,271.70x = 7,379,575.34
  5. Step 5: Solve for x
    x = 7,379,575.34/4,271.70
  6. Step 6: Final answer
    x = 1,727.55

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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.