Home / 7,839.32-10,818.54-4,302.64

Finding the Fourth Proportional to 7,839.32, 10,818.54 and 4,302.64

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Solution

The fourth proportional to 7,839.32, 10,818.54 and 4,302.64 is: 5,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.32 : 10,818.54 = 4,302.64 : x
  2. Step 2: Convert to fraction form
    7,839.32/10,818.54 = 4,302.64/x
  3. Step 3: Cross multiply
    7,839.32x = 10,818.54 × 4,302.64
  4. Step 4: Simplify right side
    7,839.32x = 46,548,282.95
  5. Step 5: Solve for x
    x = 46,548,282.95/7,839.32
  6. Step 6: Final answer
    x = 5,937.80

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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.