Home / 7,839.30-10,818.24-4,302.60

Finding the Fourth Proportional to 7,839.30, 10,818.24 and 4,302.60

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Solution

The fourth proportional to 7,839.30, 10,818.24 and 4,302.60 is: 5,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.30 : 10,818.24 = 4,302.60 : x
  2. Step 2: Convert to fraction form
    7,839.30/10,818.24 = 4,302.60/x
  3. Step 3: Cross multiply
    7,839.30x = 10,818.24 × 4,302.60
  4. Step 4: Simplify right side
    7,839.30x = 46,546,559.42
  5. Step 5: Solve for x
    x = 46,546,559.42/7,839.30
  6. Step 6: Final answer
    x = 5,937.59

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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.