Home / 7,020-10,528.58-2,576.15

Finding the Fourth Proportional to 7,020, 10,528.58 and 2,576.15

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Solution

The fourth proportional to 7,020, 10,528.58 and 2,576.15 is: 3,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020 : 10,528.58 = 2,576.15 : x
  2. Step 2: Convert to fraction form
    7,020/10,528.58 = 2,576.15/x
  3. Step 3: Cross multiply
    7,020x = 10,528.58 × 2,576.15
  4. Step 4: Simplify right side
    7,020x = 27,123,201.37
  5. Step 5: Solve for x
    x = 27,123,201.37/7,020
  6. Step 6: Final answer
    x = 3,863.70

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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.