Home / 7,020.45-10,533.74-4,098.76

Finding the Fourth Proportional to 7,020.45, 10,533.74 and 4,098.76

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Solution

The fourth proportional to 7,020.45, 10,533.74 and 4,098.76 is: 6,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.45 : 10,533.74 = 4,098.76 : x
  2. Step 2: Convert to fraction form
    7,020.45/10,533.74 = 4,098.76/x
  3. Step 3: Cross multiply
    7,020.45x = 10,533.74 × 4,098.76
  4. Step 4: Simplify right side
    7,020.45x = 43,175,280.21
  5. Step 5: Solve for x
    x = 43,175,280.21/7,020.45
  6. Step 6: Final answer
    x = 6,149.93

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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.