Home / 4,902.31-6,762.45-3,012.58

Finding the Fourth Proportional to 4,902.31, 6,762.45 and 3,012.58

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Solution

The fourth proportional to 4,902.31, 6,762.45 and 3,012.58 is: 4,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.31 : 6,762.45 = 3,012.58 : x
  2. Step 2: Convert to fraction form
    4,902.31/6,762.45 = 3,012.58/x
  3. Step 3: Cross multiply
    4,902.31x = 6,762.45 × 3,012.58
  4. Step 4: Simplify right side
    4,902.31x = 20,372,421.62
  5. Step 5: Solve for x
    x = 20,372,421.62/4,902.31
  6. Step 6: Final answer
    x = 4,155.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.