Home / 7,678.09-11,503.16-5,333.14

Finding the Fourth Proportional to 7,678.09, 11,503.16 and 5,333.14

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Solution

The fourth proportional to 7,678.09, 11,503.16 and 5,333.14 is: 7,990.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.09 : 11,503.16 = 5,333.14 : x
  2. Step 2: Convert to fraction form
    7,678.09/11,503.16 = 5,333.14/x
  3. Step 3: Cross multiply
    7,678.09x = 11,503.16 × 5,333.14
  4. Step 4: Simplify right side
    7,678.09x = 61,347,878.54
  5. Step 5: Solve for x
    x = 61,347,878.54/7,678.09
  6. Step 6: Final answer
    x = 7,990.00

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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.