Home / 5,374.49-7,415.01-4,378.05

Finding the Fourth Proportional to 5,374.49, 7,415.01 and 4,378.05

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Solution

The fourth proportional to 5,374.49, 7,415.01 and 4,378.05 is: 6,040.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.49 : 7,415.01 = 4,378.05 : x
  2. Step 2: Convert to fraction form
    5,374.49/7,415.01 = 4,378.05/x
  3. Step 3: Cross multiply
    5,374.49x = 7,415.01 × 4,378.05
  4. Step 4: Simplify right side
    5,374.49x = 32,463,284.53
  5. Step 5: Solve for x
    x = 32,463,284.53/5,374.49
  6. Step 6: Final answer
    x = 6,040.26

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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.