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Finding the Fourth Proportional to 5,307.42, 7,958.88 and 2,530.88

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Solution

The fourth proportional to 5,307.42, 7,958.88 and 2,530.88 is: 3,795.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.42 : 7,958.88 = 2,530.88 : x
  2. Step 2: Convert to fraction form
    5,307.42/7,958.88 = 2,530.88/x
  3. Step 3: Cross multiply
    5,307.42x = 7,958.88 × 2,530.88
  4. Step 4: Simplify right side
    5,307.42x = 20,142,970.21
  5. Step 5: Solve for x
    x = 20,142,970.21/5,307.42
  6. Step 6: Final answer
    x = 3,795.25

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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.