Home / 8,637.07-12,958.23-4,480.05

Finding the Fourth Proportional to 8,637.07, 12,958.23 and 4,480.05

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Solution

The fourth proportional to 8,637.07, 12,958.23 and 4,480.05 is: 6,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.07 : 12,958.23 = 4,480.05 : x
  2. Step 2: Convert to fraction form
    8,637.07/12,958.23 = 4,480.05/x
  3. Step 3: Cross multiply
    8,637.07x = 12,958.23 × 4,480.05
  4. Step 4: Simplify right side
    8,637.07x = 58,053,518.31
  5. Step 5: Solve for x
    x = 58,053,518.31/8,637.07
  6. Step 6: Final answer
    x = 6,721.44

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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.