Home / 5,459.90-8,191.20-1,762.52

Finding the Fourth Proportional to 5,459.90, 8,191.20 and 1,762.52

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Solution

The fourth proportional to 5,459.90, 8,191.20 and 1,762.52 is: 2,644.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.90 : 8,191.20 = 1,762.52 : x
  2. Step 2: Convert to fraction form
    5,459.90/8,191.20 = 1,762.52/x
  3. Step 3: Cross multiply
    5,459.90x = 8,191.20 × 1,762.52
  4. Step 4: Simplify right side
    5,459.90x = 14,437,153.82
  5. Step 5: Solve for x
    x = 14,437,153.82/5,459.90
  6. Step 6: Final answer
    x = 2,644.22

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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.