Home / 4,703.55-7,055.33-1,781.70

Finding the Fourth Proportional to 4,703.55, 7,055.33 and 1,781.70

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Solution

The fourth proportional to 4,703.55, 7,055.33 and 1,781.70 is: 2,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.55 : 7,055.33 = 1,781.70 : x
  2. Step 2: Convert to fraction form
    4,703.55/7,055.33 = 1,781.70/x
  3. Step 3: Cross multiply
    4,703.55x = 7,055.33 × 1,781.70
  4. Step 4: Simplify right side
    4,703.55x = 12,570,472.55
  5. Step 5: Solve for x
    x = 12,570,472.55/4,703.55
  6. Step 6: Final answer
    x = 2,672.55

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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.