Home / 7,005.28-10,445.96-6,528.64

Finding the Fourth Proportional to 7,005.28, 10,445.96 and 6,528.64

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Solution

The fourth proportional to 7,005.28, 10,445.96 and 6,528.64 is: 9,735.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.28 : 10,445.96 = 6,528.64 : x
  2. Step 2: Convert to fraction form
    7,005.28/10,445.96 = 6,528.64/x
  3. Step 3: Cross multiply
    7,005.28x = 10,445.96 × 6,528.64
  4. Step 4: Simplify right side
    7,005.28x = 68,197,912.29
  5. Step 5: Solve for x
    x = 68,197,912.29/7,005.28
  6. Step 6: Final answer
    x = 9,735.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.