Home / 5,307.40-7,961.51-1,609.94

Finding the Fourth Proportional to 5,307.40, 7,961.51 and 1,609.94

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Solution

The fourth proportional to 5,307.40, 7,961.51 and 1,609.94 is: 2,415.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.40 : 7,961.51 = 1,609.94 : x
  2. Step 2: Convert to fraction form
    5,307.40/7,961.51 = 1,609.94/x
  3. Step 3: Cross multiply
    5,307.40x = 7,961.51 × 1,609.94
  4. Step 4: Simplify right side
    5,307.40x = 12,817,577.34
  5. Step 5: Solve for x
    x = 12,817,577.34/5,307.40
  6. Step 6: Final answer
    x = 2,415.04

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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.