Home / 7,839.18-10,810.46-5,292.54

Finding the Fourth Proportional to 7,839.18, 10,810.46 and 5,292.54

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Solution

The fourth proportional to 7,839.18, 10,810.46 and 5,292.54 is: 7,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.18 : 10,810.46 = 5,292.54 : x
  2. Step 2: Convert to fraction form
    7,839.18/10,810.46 = 5,292.54/x
  3. Step 3: Cross multiply
    7,839.18x = 10,810.46 × 5,292.54
  4. Step 4: Simplify right side
    7,839.18x = 57,214,805.20
  5. Step 5: Solve for x
    x = 57,214,805.20/7,839.18
  6. Step 6: Final answer
    x = 7,298.57

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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.