Home / 6,528.27-9,004.40-4,011.80

Finding the Fourth Proportional to 6,528.27, 9,004.40 and 4,011.80

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Solution

The fourth proportional to 6,528.27, 9,004.40 and 4,011.80 is: 5,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.27 : 9,004.40 = 4,011.80 : x
  2. Step 2: Convert to fraction form
    6,528.27/9,004.40 = 4,011.80/x
  3. Step 3: Cross multiply
    6,528.27x = 9,004.40 × 4,011.80
  4. Step 4: Simplify right side
    6,528.27x = 36,123,837.80
  5. Step 5: Solve for x
    x = 36,123,837.80/6,528.27
  6. Step 6: Final answer
    x = 5,533.45

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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.