Home / 7,818.24-10,789.32-4,281.60

Finding the Fourth Proportional to 7,818.24, 10,789.32 and 4,281.60

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Solution

The fourth proportional to 7,818.24, 10,789.32 and 4,281.60 is: 5,908.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.24 : 10,789.32 = 4,281.60 : x
  2. Step 2: Convert to fraction form
    7,818.24/10,789.32 = 4,281.60/x
  3. Step 3: Cross multiply
    7,818.24x = 10,789.32 × 4,281.60
  4. Step 4: Simplify right side
    7,818.24x = 46,195,552.51
  5. Step 5: Solve for x
    x = 46,195,552.51/7,818.24
  6. Step 6: Final answer
    x = 5,908.69

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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.