Home / 7,819.47-10,790.28-4,835.36

Finding the Fourth Proportional to 7,819.47, 10,790.28 and 4,835.36

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Solution

The fourth proportional to 7,819.47, 10,790.28 and 4,835.36 is: 6,672.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.47 : 10,790.28 = 4,835.36 : x
  2. Step 2: Convert to fraction form
    7,819.47/10,790.28 = 4,835.36/x
  3. Step 3: Cross multiply
    7,819.47x = 10,790.28 × 4,835.36
  4. Step 4: Simplify right side
    7,819.47x = 52,174,915.28
  5. Step 5: Solve for x
    x = 52,174,915.28/7,819.47
  6. Step 6: Final answer
    x = 6,672.44

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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.