Home / 5,312.84-7,968.65-1,417.55

Finding the Fourth Proportional to 5,312.84, 7,968.65 and 1,417.55

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Solution

The fourth proportional to 5,312.84, 7,968.65 and 1,417.55 is: 2,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.84 : 7,968.65 = 1,417.55 : x
  2. Step 2: Convert to fraction form
    5,312.84/7,968.65 = 1,417.55/x
  3. Step 3: Cross multiply
    5,312.84x = 7,968.65 × 1,417.55
  4. Step 4: Simplify right side
    5,312.84x = 11,295,912.88
  5. Step 5: Solve for x
    x = 11,295,912.88/5,312.84
  6. Step 6: Final answer
    x = 2,126.16

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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.