Home / 5,438.99-8,159.09-1,740.35

Finding the Fourth Proportional to 5,438.99, 8,159.09 and 1,740.35

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Solution

The fourth proportional to 5,438.99, 8,159.09 and 1,740.35 is: 2,610.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.99 : 8,159.09 = 1,740.35 : x
  2. Step 2: Convert to fraction form
    5,438.99/8,159.09 = 1,740.35/x
  3. Step 3: Cross multiply
    5,438.99x = 8,159.09 × 1,740.35
  4. Step 4: Simplify right side
    5,438.99x = 14,199,683.98
  5. Step 5: Solve for x
    x = 14,199,683.98/5,438.99
  6. Step 6: Final answer
    x = 2,610.72

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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.