Home / 5,740.04-7,918.98-3,378.44

Finding the Fourth Proportional to 5,740.04, 7,918.98 and 3,378.44

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Solution

The fourth proportional to 5,740.04, 7,918.98 and 3,378.44 is: 4,660.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.04 : 7,918.98 = 3,378.44 : x
  2. Step 2: Convert to fraction form
    5,740.04/7,918.98 = 3,378.44/x
  3. Step 3: Cross multiply
    5,740.04x = 7,918.98 × 3,378.44
  4. Step 4: Simplify right side
    5,740.04x = 26,753,798.79
  5. Step 5: Solve for x
    x = 26,753,798.79/5,740.04
  6. Step 6: Final answer
    x = 4,660.91

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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.