Home / 7,881.47-10,876.77-4,524.42

Finding the Fourth Proportional to 7,881.47, 10,876.77 and 4,524.42

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Solution

The fourth proportional to 7,881.47, 10,876.77 and 4,524.42 is: 6,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.47 : 10,876.77 = 4,524.42 : x
  2. Step 2: Convert to fraction form
    7,881.47/10,876.77 = 4,524.42/x
  3. Step 3: Cross multiply
    7,881.47x = 10,876.77 × 4,524.42
  4. Step 4: Simplify right side
    7,881.47x = 49,211,075.72
  5. Step 5: Solve for x
    x = 49,211,075.72/7,881.47
  6. Step 6: Final answer
    x = 6,243.90

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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.