Home / 5,345.07-8,018.82-2,424.21

Finding the Fourth Proportional to 5,345.07, 8,018.82 and 2,424.21

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Solution

The fourth proportional to 5,345.07, 8,018.82 and 2,424.21 is: 3,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.07 : 8,018.82 = 2,424.21 : x
  2. Step 2: Convert to fraction form
    5,345.07/8,018.82 = 2,424.21/x
  3. Step 3: Cross multiply
    5,345.07x = 8,018.82 × 2,424.21
  4. Step 4: Simplify right side
    5,345.07x = 19,439,303.63
  5. Step 5: Solve for x
    x = 19,439,303.63/5,345.07
  6. Step 6: Final answer
    x = 3,636.87

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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.