Home / 7,820.85-10,793.81-4,462.89

Finding the Fourth Proportional to 7,820.85, 10,793.81 and 4,462.89

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Solution

The fourth proportional to 7,820.85, 10,793.81 and 4,462.89 is: 6,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.85 : 10,793.81 = 4,462.89 : x
  2. Step 2: Convert to fraction form
    7,820.85/10,793.81 = 4,462.89/x
  3. Step 3: Cross multiply
    7,820.85x = 10,793.81 × 4,462.89
  4. Step 4: Simplify right side
    7,820.85x = 48,171,564.40
  5. Step 5: Solve for x
    x = 48,171,564.40/7,820.85
  6. Step 6: Final answer
    x = 6,159.38

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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.