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Finding the Fourth Proportional to 8,998.34, 13,492.35 and 2,756.69

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Solution

The fourth proportional to 8,998.34, 13,492.35 and 2,756.69 is: 4,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.34 : 13,492.35 = 2,756.69 : x
  2. Step 2: Convert to fraction form
    8,998.34/13,492.35 = 2,756.69/x
  3. Step 3: Cross multiply
    8,998.34x = 13,492.35 × 2,756.69
  4. Step 4: Simplify right side
    8,998.34x = 37,194,226.32
  5. Step 5: Solve for x
    x = 37,194,226.32/8,998.34
  6. Step 6: Final answer
    x = 4,133.45

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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.