Home / 5,339.42-8,009.07-2,415.70

Finding the Fourth Proportional to 5,339.42, 8,009.07 and 2,415.70

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Solution

The fourth proportional to 5,339.42, 8,009.07 and 2,415.70 is: 3,623.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.42 : 8,009.07 = 2,415.70 : x
  2. Step 2: Convert to fraction form
    5,339.42/8,009.07 = 2,415.70/x
  3. Step 3: Cross multiply
    5,339.42x = 8,009.07 × 2,415.70
  4. Step 4: Simplify right side
    5,339.42x = 19,347,510.40
  5. Step 5: Solve for x
    x = 19,347,510.40/5,339.42
  6. Step 6: Final answer
    x = 3,623.52

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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.