Home / 7,715.24-11,570.46-2,784.24

Finding the Fourth Proportional to 7,715.24, 11,570.46 and 2,784.24

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Solution

The fourth proportional to 7,715.24, 11,570.46 and 2,784.24 is: 4,175.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.24 : 11,570.46 = 2,784.24 : x
  2. Step 2: Convert to fraction form
    7,715.24/11,570.46 = 2,784.24/x
  3. Step 3: Cross multiply
    7,715.24x = 11,570.46 × 2,784.24
  4. Step 4: Simplify right side
    7,715.24x = 32,214,904.60
  5. Step 5: Solve for x
    x = 32,214,904.60/7,715.24
  6. Step 6: Final answer
    x = 4,175.49

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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.