Home / 7,818.16-10,789.19-4,281.57

Finding the Fourth Proportional to 7,818.16, 10,789.19 and 4,281.57

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Solution

The fourth proportional to 7,818.16, 10,789.19 and 4,281.57 is: 5,908.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.16 : 10,789.19 = 4,281.57 : x
  2. Step 2: Convert to fraction form
    7,818.16/10,789.19 = 4,281.57/x
  3. Step 3: Cross multiply
    7,818.16x = 10,789.19 × 4,281.57
  4. Step 4: Simplify right side
    7,818.16x = 46,194,672.23
  5. Step 5: Solve for x
    x = 46,194,672.23/7,818.16
  6. Step 6: Final answer
    x = 5,908.64

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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.