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Finding the Fourth Proportional to 5,928.42, 8,901.88 and 5,665.51

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Solution

The fourth proportional to 5,928.42, 8,901.88 and 5,665.51 is: 8,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.42 : 8,901.88 = 5,665.51 : x
  2. Step 2: Convert to fraction form
    5,928.42/8,901.88 = 5,665.51/x
  3. Step 3: Cross multiply
    5,928.42x = 8,901.88 × 5,665.51
  4. Step 4: Simplify right side
    5,928.42x = 50,433,653.74
  5. Step 5: Solve for x
    x = 50,433,653.74/5,928.42
  6. Step 6: Final answer
    x = 8,507.10

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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.