Home / 7,209.24-10,802.88-5,351.64

Finding the Fourth Proportional to 7,209.24, 10,802.88 and 5,351.64

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Solution

The fourth proportional to 7,209.24, 10,802.88 and 5,351.64 is: 8,019.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.24 : 10,802.88 = 5,351.64 : x
  2. Step 2: Convert to fraction form
    7,209.24/10,802.88 = 5,351.64/x
  3. Step 3: Cross multiply
    7,209.24x = 10,802.88 × 5,351.64
  4. Step 4: Simplify right side
    7,209.24x = 57,813,124.72
  5. Step 5: Solve for x
    x = 57,813,124.72/7,209.24
  6. Step 6: Final answer
    x = 8,019.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.