Home / 8,637.27-12,968.04-4,423.55

Finding the Fourth Proportional to 8,637.27, 12,968.04 and 4,423.55

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Solution

The fourth proportional to 8,637.27, 12,968.04 and 4,423.55 is: 6,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.27 : 12,968.04 = 4,423.55 : x
  2. Step 2: Convert to fraction form
    8,637.27/12,968.04 = 4,423.55/x
  3. Step 3: Cross multiply
    8,637.27x = 12,968.04 × 4,423.55
  4. Step 4: Simplify right side
    8,637.27x = 57,364,708.50
  5. Step 5: Solve for x
    x = 57,364,708.50/8,637.27
  6. Step 6: Final answer
    x = 6,641.53

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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.