Home / 7,829.76-10,806.30-4,686.96

Finding the Fourth Proportional to 7,829.76, 10,806.30 and 4,686.96

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Solution

The fourth proportional to 7,829.76, 10,806.30 and 4,686.96 is: 6,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.76 : 10,806.30 = 4,686.96 : x
  2. Step 2: Convert to fraction form
    7,829.76/10,806.30 = 4,686.96/x
  3. Step 3: Cross multiply
    7,829.76x = 10,806.30 × 4,686.96
  4. Step 4: Simplify right side
    7,829.76x = 50,648,695.85
  5. Step 5: Solve for x
    x = 50,648,695.85/7,829.76
  6. Step 6: Final answer
    x = 6,468.74

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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.