Home / 5,368.68-7,405.48-3,377.60

Finding the Fourth Proportional to 5,368.68, 7,405.48 and 3,377.60

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Solution

The fourth proportional to 5,368.68, 7,405.48 and 3,377.60 is: 4,659.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.68 : 7,405.48 = 3,377.60 : x
  2. Step 2: Convert to fraction form
    5,368.68/7,405.48 = 3,377.60/x
  3. Step 3: Cross multiply
    5,368.68x = 7,405.48 × 3,377.60
  4. Step 4: Simplify right side
    5,368.68x = 25,012,749.25
  5. Step 5: Solve for x
    x = 25,012,749.25/5,368.68
  6. Step 6: Final answer
    x = 4,659.01

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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.