Home / 5,069.80-7,605.24-4,428.28

Finding the Fourth Proportional to 5,069.80, 7,605.24 and 4,428.28

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Solution

The fourth proportional to 5,069.80, 7,605.24 and 4,428.28 is: 6,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,069.80 : 7,605.24 = 4,428.28 : x
  2. Step 2: Convert to fraction form
    5,069.80/7,605.24 = 4,428.28/x
  3. Step 3: Cross multiply
    5,069.80x = 7,605.24 × 4,428.28
  4. Step 4: Simplify right side
    5,069.80x = 33,678,132.19
  5. Step 5: Solve for x
    x = 33,678,132.19/5,069.80
  6. Step 6: Final answer
    x = 6,642.89

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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.