Home / 7,839.42-10,818.53-4,302.96

Finding the Fourth Proportional to 7,839.42, 10,818.53 and 4,302.96

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Solution

The fourth proportional to 7,839.42, 10,818.53 and 4,302.96 is: 5,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.42 : 10,818.53 = 4,302.96 : x
  2. Step 2: Convert to fraction form
    7,839.42/10,818.53 = 4,302.96/x
  3. Step 3: Cross multiply
    7,839.42x = 10,818.53 × 4,302.96
  4. Step 4: Simplify right side
    7,839.42x = 46,551,701.85
  5. Step 5: Solve for x
    x = 46,551,701.85/7,839.42
  6. Step 6: Final answer
    x = 5,938.16

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Double scale
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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.