Home / 5,409.32-7,461.01-3,517.40

Finding the Fourth Proportional to 5,409.32, 7,461.01 and 3,517.40

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Solution

The fourth proportional to 5,409.32, 7,461.01 and 3,517.40 is: 4,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.32 : 7,461.01 = 3,517.40 : x
  2. Step 2: Convert to fraction form
    5,409.32/7,461.01 = 3,517.40/x
  3. Step 3: Cross multiply
    5,409.32x = 7,461.01 × 3,517.40
  4. Step 4: Simplify right side
    5,409.32x = 26,243,366.43
  5. Step 5: Solve for x
    x = 26,243,366.43/5,409.32
  6. Step 6: Final answer
    x = 4,851.51

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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.