Home / 8,756.18-13,134.29-5,813.45

Finding the Fourth Proportional to 8,756.18, 13,134.29 and 5,813.45

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Solution

The fourth proportional to 8,756.18, 13,134.29 and 5,813.45 is: 8,720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.18 : 13,134.29 = 5,813.45 : x
  2. Step 2: Convert to fraction form
    8,756.18/13,134.29 = 5,813.45/x
  3. Step 3: Cross multiply
    8,756.18x = 13,134.29 × 5,813.45
  4. Step 4: Simplify right side
    8,756.18x = 76,355,492.72
  5. Step 5: Solve for x
    x = 76,355,492.72/8,756.18
  6. Step 6: Final answer
    x = 8,720.18

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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.