Home / 5,440.30-8,160.48-1,544.74

Finding the Fourth Proportional to 5,440.30, 8,160.48 and 1,544.74

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Solution

The fourth proportional to 5,440.30, 8,160.48 and 1,544.74 is: 2,317.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.30 : 8,160.48 = 1,544.74 : x
  2. Step 2: Convert to fraction form
    5,440.30/8,160.48 = 1,544.74/x
  3. Step 3: Cross multiply
    5,440.30x = 8,160.48 × 1,544.74
  4. Step 4: Simplify right side
    5,440.30x = 12,605,799.47
  5. Step 5: Solve for x
    x = 12,605,799.47/5,440.30
  6. Step 6: Final answer
    x = 2,317.12

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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.