Home / 8,264.48-12,398.54-2,421.14

Finding the Fourth Proportional to 8,264.48, 12,398.54 and 2,421.14

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Solution

The fourth proportional to 8,264.48, 12,398.54 and 2,421.14 is: 3,632.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.48 : 12,398.54 = 2,421.14 : x
  2. Step 2: Convert to fraction form
    8,264.48/12,398.54 = 2,421.14/x
  3. Step 3: Cross multiply
    8,264.48x = 12,398.54 × 2,421.14
  4. Step 4: Simplify right side
    8,264.48x = 30,018,601.14
  5. Step 5: Solve for x
    x = 30,018,601.14/8,264.48
  6. Step 6: Final answer
    x = 3,632.24

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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.