Home / 7,160.45-10,737.81-2,228.58

Finding the Fourth Proportional to 7,160.45, 10,737.81 and 2,228.58

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Solution

The fourth proportional to 7,160.45, 10,737.81 and 2,228.58 is: 3,341.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.45 : 10,737.81 = 2,228.58 : x
  2. Step 2: Convert to fraction form
    7,160.45/10,737.81 = 2,228.58/x
  3. Step 3: Cross multiply
    7,160.45x = 10,737.81 × 2,228.58
  4. Step 4: Simplify right side
    7,160.45x = 23,930,068.61
  5. Step 5: Solve for x
    x = 23,930,068.61/7,160.45
  6. Step 6: Final answer
    x = 3,341.98

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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.