Home / 7,228.88-10,780.60-6,529.04

Finding the Fourth Proportional to 7,228.88, 10,780.60 and 6,529.04

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Solution

The fourth proportional to 7,228.88, 10,780.60 and 6,529.04 is: 9,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.88 : 10,780.60 = 6,529.04 : x
  2. Step 2: Convert to fraction form
    7,228.88/10,780.60 = 6,529.04/x
  3. Step 3: Cross multiply
    7,228.88x = 10,780.60 × 6,529.04
  4. Step 4: Simplify right side
    7,228.88x = 70,386,968.62
  5. Step 5: Solve for x
    x = 70,386,968.62/7,228.88
  6. Step 6: Final answer
    x = 9,736.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.