Home / 8,270.16-12,403.56-2,425.20

Finding the Fourth Proportional to 8,270.16, 12,403.56 and 2,425.20

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Solution

The fourth proportional to 8,270.16, 12,403.56 and 2,425.20 is: 3,637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.16 : 12,403.56 = 2,425.20 : x
  2. Step 2: Convert to fraction form
    8,270.16/12,403.56 = 2,425.20/x
  3. Step 3: Cross multiply
    8,270.16x = 12,403.56 × 2,425.20
  4. Step 4: Simplify right side
    8,270.16x = 30,081,113.71
  5. Step 5: Solve for x
    x = 30,081,113.71/8,270.16
  6. Step 6: Final answer
    x = 3,637.31

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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.