Home / 7,742.82-10,685.34-4,386.18

Finding the Fourth Proportional to 7,742.82, 10,685.34 and 4,386.18

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Solution

The fourth proportional to 7,742.82, 10,685.34 and 4,386.18 is: 6,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.82 : 10,685.34 = 4,386.18 : x
  2. Step 2: Convert to fraction form
    7,742.82/10,685.34 = 4,386.18/x
  3. Step 3: Cross multiply
    7,742.82x = 10,685.34 × 4,386.18
  4. Step 4: Simplify right side
    7,742.82x = 46,867,824.60
  5. Step 5: Solve for x
    x = 46,867,824.60/7,742.82
  6. Step 6: Final answer
    x = 6,053.07

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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.