Home / 5,259.53-7,889.77-1,511.35

Finding the Fourth Proportional to 5,259.53, 7,889.77 and 1,511.35

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Solution

The fourth proportional to 5,259.53, 7,889.77 and 1,511.35 is: 2,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.53 : 7,889.77 = 1,511.35 : x
  2. Step 2: Convert to fraction form
    5,259.53/7,889.77 = 1,511.35/x
  3. Step 3: Cross multiply
    5,259.53x = 7,889.77 × 1,511.35
  4. Step 4: Simplify right side
    5,259.53x = 11,924,186.05
  5. Step 5: Solve for x
    x = 11,924,186.05/5,259.53
  6. Step 6: Final answer
    x = 2,267.16

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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.