Home / 4,893-7,340.40-1,971.60

Finding the Fourth Proportional to 4,893, 7,340.40 and 1,971.60

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Solution

The fourth proportional to 4,893, 7,340.40 and 1,971.60 is: 2,957.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893 : 7,340.40 = 1,971.60 : x
  2. Step 2: Convert to fraction form
    4,893/7,340.40 = 1,971.60/x
  3. Step 3: Cross multiply
    4,893x = 7,340.40 × 1,971.60
  4. Step 4: Simplify right side
    4,893x = 14,472,332.64
  5. Step 5: Solve for x
    x = 14,472,332.64/4,893
  6. Step 6: Final answer
    x = 2,957.76

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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.