Home / 7,045.57-9,722.88-3,901.75

Finding the Fourth Proportional to 7,045.57, 9,722.88 and 3,901.75

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Solution

The fourth proportional to 7,045.57, 9,722.88 and 3,901.75 is: 5,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.57 : 9,722.88 = 3,901.75 : x
  2. Step 2: Convert to fraction form
    7,045.57/9,722.88 = 3,901.75/x
  3. Step 3: Cross multiply
    7,045.57x = 9,722.88 × 3,901.75
  4. Step 4: Simplify right side
    7,045.57x = 37,936,247.04
  5. Step 5: Solve for x
    x = 37,936,247.04/7,045.57
  6. Step 6: Final answer
    x = 5,384.41

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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.