Home / 8,756.10-13,112.55-6,552.90

Finding the Fourth Proportional to 8,756.10, 13,112.55 and 6,552.90

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Solution

The fourth proportional to 8,756.10, 13,112.55 and 6,552.90 is: 9,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.10 : 13,112.55 = 6,552.90 : x
  2. Step 2: Convert to fraction form
    8,756.10/13,112.55 = 6,552.90/x
  3. Step 3: Cross multiply
    8,756.10x = 13,112.55 × 6,552.90
  4. Step 4: Simplify right side
    8,756.10x = 85,925,228.90
  5. Step 5: Solve for x
    x = 85,925,228.90/8,756.10
  6. Step 6: Final answer
    x = 9,813.18

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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.