Home / 5,310.60-7,967.64-1,612.98

Finding the Fourth Proportional to 5,310.60, 7,967.64 and 1,612.98

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Solution

The fourth proportional to 5,310.60, 7,967.64 and 1,612.98 is: 2,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.60 : 7,967.64 = 1,612.98 : x
  2. Step 2: Convert to fraction form
    5,310.60/7,967.64 = 1,612.98/x
  3. Step 3: Cross multiply
    5,310.60x = 7,967.64 × 1,612.98
  4. Step 4: Simplify right side
    5,310.60x = 12,851,643.97
  5. Step 5: Solve for x
    x = 12,851,643.97/5,310.60
  6. Step 6: Final answer
    x = 2,420.00

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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.