Home / 7,839.55-10,818.68-4,302.69

Finding the Fourth Proportional to 7,839.55, 10,818.68 and 4,302.69

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Solution

The fourth proportional to 7,839.55, 10,818.68 and 4,302.69 is: 5,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.55 : 10,818.68 = 4,302.69 : x
  2. Step 2: Convert to fraction form
    7,839.55/10,818.68 = 4,302.69/x
  3. Step 3: Cross multiply
    7,839.55x = 10,818.68 × 4,302.69
  4. Step 4: Simplify right side
    7,839.55x = 46,549,426.25
  5. Step 5: Solve for x
    x = 46,549,426.25/7,839.55
  6. Step 6: Final answer
    x = 5,937.77

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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.