Home / 5,670.85-7,824.62-3,312.53

Finding the Fourth Proportional to 5,670.85, 7,824.62 and 3,312.53

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Solution

The fourth proportional to 5,670.85, 7,824.62 and 3,312.53 is: 4,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.85 : 7,824.62 = 3,312.53 : x
  2. Step 2: Convert to fraction form
    5,670.85/7,824.62 = 3,312.53/x
  3. Step 3: Cross multiply
    5,670.85x = 7,824.62 × 3,312.53
  4. Step 4: Simplify right side
    5,670.85x = 25,919,316.33
  5. Step 5: Solve for x
    x = 25,919,316.33/5,670.85
  6. Step 6: Final answer
    x = 4,570.62

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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.