Home / 8,269.18-11,411.56-4,492.40

Finding the Fourth Proportional to 8,269.18, 11,411.56 and 4,492.40

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Solution

The fourth proportional to 8,269.18, 11,411.56 and 4,492.40 is: 6,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.18 : 11,411.56 = 4,492.40 : x
  2. Step 2: Convert to fraction form
    8,269.18/11,411.56 = 4,492.40/x
  3. Step 3: Cross multiply
    8,269.18x = 11,411.56 × 4,492.40
  4. Step 4: Simplify right side
    8,269.18x = 51,265,292.14
  5. Step 5: Solve for x
    x = 51,265,292.14/8,269.18
  6. Step 6: Final answer
    x = 6,199.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.