Home / 7,045.24-9,722.28-4,214.64

Finding the Fourth Proportional to 7,045.24, 9,722.28 and 4,214.64

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Solution

The fourth proportional to 7,045.24, 9,722.28 and 4,214.64 is: 5,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.24 : 9,722.28 = 4,214.64 : x
  2. Step 2: Convert to fraction form
    7,045.24/9,722.28 = 4,214.64/x
  3. Step 3: Cross multiply
    7,045.24x = 9,722.28 × 4,214.64
  4. Step 4: Simplify right side
    7,045.24x = 40,975,910.18
  5. Step 5: Solve for x
    x = 40,975,910.18/7,045.24
  6. Step 6: Final answer
    x = 5,816.11

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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.