Home / 7,040.10-9,716.04-4,207.50

Finding the Fourth Proportional to 7,040.10, 9,716.04 and 4,207.50

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Solution

The fourth proportional to 7,040.10, 9,716.04 and 4,207.50 is: 5,806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.10 : 9,716.04 = 4,207.50 : x
  2. Step 2: Convert to fraction form
    7,040.10/9,716.04 = 4,207.50/x
  3. Step 3: Cross multiply
    7,040.10x = 9,716.04 × 4,207.50
  4. Step 4: Simplify right side
    7,040.10x = 40,880,238.30
  5. Step 5: Solve for x
    x = 40,880,238.30/7,040.10
  6. Step 6: Final answer
    x = 5,806.77

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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.