Home / 5,815.07-8,722.40-2,528.16

Finding the Fourth Proportional to 5,815.07, 8,722.40 and 2,528.16

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Solution

The fourth proportional to 5,815.07, 8,722.40 and 2,528.16 is: 3,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.07 : 8,722.40 = 2,528.16 : x
  2. Step 2: Convert to fraction form
    5,815.07/8,722.40 = 2,528.16/x
  3. Step 3: Cross multiply
    5,815.07x = 8,722.40 × 2,528.16
  4. Step 4: Simplify right side
    5,815.07x = 22,051,610.14
  5. Step 5: Solve for x
    x = 22,051,610.14/5,815.07
  6. Step 6: Final answer
    x = 3,792.15

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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.