Home / 6,528-9,792.60-2,579.04

Finding the Fourth Proportional to 6,528, 9,792.60 and 2,579.04

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Solution

The fourth proportional to 6,528, 9,792.60 and 2,579.04 is: 3,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528 : 9,792.60 = 2,579.04 : x
  2. Step 2: Convert to fraction form
    6,528/9,792.60 = 2,579.04/x
  3. Step 3: Cross multiply
    6,528x = 9,792.60 × 2,579.04
  4. Step 4: Simplify right side
    6,528x = 25,255,507.10
  5. Step 5: Solve for x
    x = 25,255,507.10/6,528
  6. Step 6: Final answer
    x = 3,868.80

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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.