Home / 5,478.32-7,559.70-3,459.38

Finding the Fourth Proportional to 5,478.32, 7,559.70 and 3,459.38

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Solution

The fourth proportional to 5,478.32, 7,559.70 and 3,459.38 is: 4,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.32 : 7,559.70 = 3,459.38 : x
  2. Step 2: Convert to fraction form
    5,478.32/7,559.70 = 3,459.38/x
  3. Step 3: Cross multiply
    5,478.32x = 7,559.70 × 3,459.38
  4. Step 4: Simplify right side
    5,478.32x = 26,151,874.99
  5. Step 5: Solve for x
    x = 26,151,874.99/5,478.32
  6. Step 6: Final answer
    x = 4,773.70

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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.