Home / 8,528.68-11,766.90-5,735.80

Finding the Fourth Proportional to 8,528.68, 11,766.90 and 5,735.80

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Solution

The fourth proportional to 8,528.68, 11,766.90 and 5,735.80 is: 7,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.68 : 11,766.90 = 5,735.80 : x
  2. Step 2: Convert to fraction form
    8,528.68/11,766.90 = 5,735.80/x
  3. Step 3: Cross multiply
    8,528.68x = 11,766.90 × 5,735.80
  4. Step 4: Simplify right side
    8,528.68x = 67,492,585.02
  5. Step 5: Solve for x
    x = 67,492,585.02/8,528.68
  6. Step 6: Final answer
    x = 7,913.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.