Home / 7,810.26-10,778.20-4,825.42

Finding the Fourth Proportional to 7,810.26, 10,778.20 and 4,825.42

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Solution

The fourth proportional to 7,810.26, 10,778.20 and 4,825.42 is: 6,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.26 : 10,778.20 = 4,825.42 : x
  2. Step 2: Convert to fraction form
    7,810.26/10,778.20 = 4,825.42/x
  3. Step 3: Cross multiply
    7,810.26x = 10,778.20 × 4,825.42
  4. Step 4: Simplify right side
    7,810.26x = 52,009,341.84
  5. Step 5: Solve for x
    x = 52,009,341.84/7,810.26
  6. Step 6: Final answer
    x = 6,659.11

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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.