Home / 5,370.40-7,409.64-3,482.06

Finding the Fourth Proportional to 5,370.40, 7,409.64 and 3,482.06

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Solution

The fourth proportional to 5,370.40, 7,409.64 and 3,482.06 is: 4,804.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.40 : 7,409.64 = 3,482.06 : x
  2. Step 2: Convert to fraction form
    5,370.40/7,409.64 = 3,482.06/x
  3. Step 3: Cross multiply
    5,370.40x = 7,409.64 × 3,482.06
  4. Step 4: Simplify right side
    5,370.40x = 25,800,820.21
  5. Step 5: Solve for x
    x = 25,800,820.21/5,370.40
  6. Step 6: Final answer
    x = 4,804.26

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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.