Home / 5,428.26-7,477.59-4,628.98

Finding the Fourth Proportional to 5,428.26, 7,477.59 and 4,628.98

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Solution

The fourth proportional to 5,428.26, 7,477.59 and 4,628.98 is: 6,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.26 : 7,477.59 = 4,628.98 : x
  2. Step 2: Convert to fraction form
    5,428.26/7,477.59 = 4,628.98/x
  3. Step 3: Cross multiply
    5,428.26x = 7,477.59 × 4,628.98
  4. Step 4: Simplify right side
    5,428.26x = 34,613,554.03
  5. Step 5: Solve for x
    x = 34,613,554.03/5,428.26
  6. Step 6: Final answer
    x = 6,376.55

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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.