Home / 8,769.47-13,154.88-2,926.07

Finding the Fourth Proportional to 8,769.47, 13,154.88 and 2,926.07

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Solution

The fourth proportional to 8,769.47, 13,154.88 and 2,926.07 is: 4,389.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.47 : 13,154.88 = 2,926.07 : x
  2. Step 2: Convert to fraction form
    8,769.47/13,154.88 = 2,926.07/x
  3. Step 3: Cross multiply
    8,769.47x = 13,154.88 × 2,926.07
  4. Step 4: Simplify right side
    8,769.47x = 38,492,099.72
  5. Step 5: Solve for x
    x = 38,492,099.72/8,769.47
  6. Step 6: Final answer
    x = 4,389.33

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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.