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Finding the Fourth Proportional to 4,794.02, 7,191.02 and 1,507.40

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Solution

The fourth proportional to 4,794.02, 7,191.02 and 1,507.40 is: 2,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,794.02 : 7,191.02 = 1,507.40 : x
  2. Step 2: Convert to fraction form
    4,794.02/7,191.02 = 1,507.40/x
  3. Step 3: Cross multiply
    4,794.02x = 7,191.02 × 1,507.40
  4. Step 4: Simplify right side
    4,794.02x = 10,839,743.55
  5. Step 5: Solve for x
    x = 10,839,743.55/4,794.02
  6. Step 6: Final answer
    x = 2,261.10

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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.