Home / 5,084.78-7,590.54-4,428.50

Finding the Fourth Proportional to 5,084.78, 7,590.54 and 4,428.50

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Solution

The fourth proportional to 5,084.78, 7,590.54 and 4,428.50 is: 6,610.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.78 : 7,590.54 = 4,428.50 : x
  2. Step 2: Convert to fraction form
    5,084.78/7,590.54 = 4,428.50/x
  3. Step 3: Cross multiply
    5,084.78x = 7,590.54 × 4,428.50
  4. Step 4: Simplify right side
    5,084.78x = 33,614,684.25
  5. Step 5: Solve for x
    x = 33,614,684.25/5,084.78
  6. Step 6: Final answer
    x = 6,610.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.