Home / 6,528.20-9,785.10-3,756.20

Finding the Fourth Proportional to 6,528.20, 9,785.10 and 3,756.20

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Solution

The fourth proportional to 6,528.20, 9,785.10 and 3,756.20 is: 5,630.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.20 : 9,785.10 = 3,756.20 : x
  2. Step 2: Convert to fraction form
    6,528.20/9,785.10 = 3,756.20/x
  3. Step 3: Cross multiply
    6,528.20x = 9,785.10 × 3,756.20
  4. Step 4: Simplify right side
    6,528.20x = 36,754,792.62
  5. Step 5: Solve for x
    x = 36,754,792.62/6,528.20
  6. Step 6: Final answer
    x = 5,630.16

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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.