Home / 5,346.96-7,378.80-2,989.14

Finding the Fourth Proportional to 5,346.96, 7,378.80 and 2,989.14

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Solution

The fourth proportional to 5,346.96, 7,378.80 and 2,989.14 is: 4,125.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.96 : 7,378.80 = 2,989.14 : x
  2. Step 2: Convert to fraction form
    5,346.96/7,378.80 = 2,989.14/x
  3. Step 3: Cross multiply
    5,346.96x = 7,378.80 × 2,989.14
  4. Step 4: Simplify right side
    5,346.96x = 22,056,266.23
  5. Step 5: Solve for x
    x = 22,056,266.23/5,346.96
  6. Step 6: Final answer
    x = 4,125.01

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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.