Home / 8,425.08-12,637.62-2,875.64

Finding the Fourth Proportional to 8,425.08, 12,637.62 and 2,875.64

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Solution

The fourth proportional to 8,425.08, 12,637.62 and 2,875.64 is: 4,313.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.08 : 12,637.62 = 2,875.64 : x
  2. Step 2: Convert to fraction form
    8,425.08/12,637.62 = 2,875.64/x
  3. Step 3: Cross multiply
    8,425.08x = 12,637.62 × 2,875.64
  4. Step 4: Simplify right side
    8,425.08x = 36,341,182.39
  5. Step 5: Solve for x
    x = 36,341,182.39/8,425.08
  6. Step 6: Final answer
    x = 4,313.45

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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.