Home / 7,810.60-10,778.16-4,452.94

Finding the Fourth Proportional to 7,810.60, 10,778.16 and 4,452.94

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Solution

The fourth proportional to 7,810.60, 10,778.16 and 4,452.94 is: 6,144.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.60 : 10,778.16 = 4,452.94 : x
  2. Step 2: Convert to fraction form
    7,810.60/10,778.16 = 4,452.94/x
  3. Step 3: Cross multiply
    7,810.60x = 10,778.16 × 4,452.94
  4. Step 4: Simplify right side
    7,810.60x = 47,994,499.79
  5. Step 5: Solve for x
    x = 47,994,499.79/7,810.60
  6. Step 6: Final answer
    x = 6,144.79

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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.