Home / 7,818.13-10,788.92-4,281.26

Finding the Fourth Proportional to 7,818.13, 10,788.92 and 4,281.26

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Solution

The fourth proportional to 7,818.13, 10,788.92 and 4,281.26 is: 5,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.13 : 10,788.92 = 4,281.26 : x
  2. Step 2: Convert to fraction form
    7,818.13/10,788.92 = 4,281.26/x
  3. Step 3: Cross multiply
    7,818.13x = 10,788.92 × 4,281.26
  4. Step 4: Simplify right side
    7,818.13x = 46,190,171.64
  5. Step 5: Solve for x
    x = 46,190,171.64/7,818.13
  6. Step 6: Final answer
    x = 5,908.08

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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.