Home / 5,526.96-7,577.40-5,428.68

Finding the Fourth Proportional to 5,526.96, 7,577.40 and 5,428.68

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Solution

The fourth proportional to 5,526.96, 7,577.40 and 5,428.68 is: 7,442.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,526.96 : 7,577.40 = 5,428.68 : x
  2. Step 2: Convert to fraction form
    5,526.96/7,577.40 = 5,428.68/x
  3. Step 3: Cross multiply
    5,526.96x = 7,577.40 × 5,428.68
  4. Step 4: Simplify right side
    5,526.96x = 41,135,279.83
  5. Step 5: Solve for x
    x = 41,135,279.83/5,526.96
  6. Step 6: Final answer
    x = 7,442.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.