Home / 4,756.74-7,130.31-1,984.95

Finding the Fourth Proportional to 4,756.74, 7,130.31 and 1,984.95

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Solution

The fourth proportional to 4,756.74, 7,130.31 and 1,984.95 is: 2,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.74 : 7,130.31 = 1,984.95 : x
  2. Step 2: Convert to fraction form
    4,756.74/7,130.31 = 1,984.95/x
  3. Step 3: Cross multiply
    4,756.74x = 7,130.31 × 1,984.95
  4. Step 4: Simplify right side
    4,756.74x = 14,153,308.83
  5. Step 5: Solve for x
    x = 14,153,308.83/4,756.74
  6. Step 6: Final answer
    x = 2,975.42

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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.