Home / 7,278.91-10,042.59-4,295.77

Finding the Fourth Proportional to 7,278.91, 10,042.59 and 4,295.77

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Solution

The fourth proportional to 7,278.91, 10,042.59 and 4,295.77 is: 5,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.91 : 10,042.59 = 4,295.77 : x
  2. Step 2: Convert to fraction form
    7,278.91/10,042.59 = 4,295.77/x
  3. Step 3: Cross multiply
    7,278.91x = 10,042.59 × 4,295.77
  4. Step 4: Simplify right side
    7,278.91x = 43,140,656.84
  5. Step 5: Solve for x
    x = 43,140,656.84/7,278.91
  6. Step 6: Final answer
    x = 5,926.80

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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.