Home / 7,839.90-10,818.63-4,302.45

Finding the Fourth Proportional to 7,839.90, 10,818.63 and 4,302.45

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Solution

The fourth proportional to 7,839.90, 10,818.63 and 4,302.45 is: 5,937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.90 : 10,818.63 = 4,302.45 : x
  2. Step 2: Convert to fraction form
    7,839.90/10,818.63 = 4,302.45/x
  3. Step 3: Cross multiply
    7,839.90x = 10,818.63 × 4,302.45
  4. Step 4: Simplify right side
    7,839.90x = 46,546,614.64
  5. Step 5: Solve for x
    x = 46,546,614.64/7,839.90
  6. Step 6: Final answer
    x = 5,937.14

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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.