Home / 7,068.14-9,755.78-4,085.83

Finding the Fourth Proportional to 7,068.14, 9,755.78 and 4,085.83

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Solution

The fourth proportional to 7,068.14, 9,755.78 and 4,085.83 is: 5,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.14 : 9,755.78 = 4,085.83 : x
  2. Step 2: Convert to fraction form
    7,068.14/9,755.78 = 4,085.83/x
  3. Step 3: Cross multiply
    7,068.14x = 9,755.78 × 4,085.83
  4. Step 4: Simplify right side
    7,068.14x = 39,860,423.99
  5. Step 5: Solve for x
    x = 39,860,423.99/7,068.14
  6. Step 6: Final answer
    x = 5,639.45

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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.