Home / 8,770.48-13,155.51-4,085.44

Finding the Fourth Proportional to 8,770.48, 13,155.51 and 4,085.44

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Solution

The fourth proportional to 8,770.48, 13,155.51 and 4,085.44 is: 6,128.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.48 : 13,155.51 = 4,085.44 : x
  2. Step 2: Convert to fraction form
    8,770.48/13,155.51 = 4,085.44/x
  3. Step 3: Cross multiply
    8,770.48x = 13,155.51 × 4,085.44
  4. Step 4: Simplify right side
    8,770.48x = 53,745,981.00
  5. Step 5: Solve for x
    x = 53,745,981.00/8,770.48
  6. Step 6: Final answer
    x = 6,128.06

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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.