Home / 5,374.04-7,419.79-4,112.84

Finding the Fourth Proportional to 5,374.04, 7,419.79 and 4,112.84

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Solution

The fourth proportional to 5,374.04, 7,419.79 and 4,112.84 is: 5,678.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.04 : 7,419.79 = 4,112.84 : x
  2. Step 2: Convert to fraction form
    5,374.04/7,419.79 = 4,112.84/x
  3. Step 3: Cross multiply
    5,374.04x = 7,419.79 × 4,112.84
  4. Step 4: Simplify right side
    5,374.04x = 30,516,432.79
  5. Step 5: Solve for x
    x = 30,516,432.79/5,374.04
  6. Step 6: Final answer
    x = 5,678.49

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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.