Home / 7,780.93-10,737.75-4,244.21

Finding the Fourth Proportional to 7,780.93, 10,737.75 and 4,244.21

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Solution

The fourth proportional to 7,780.93, 10,737.75 and 4,244.21 is: 5,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.93 : 10,737.75 = 4,244.21 : x
  2. Step 2: Convert to fraction form
    7,780.93/10,737.75 = 4,244.21/x
  3. Step 3: Cross multiply
    7,780.93x = 10,737.75 × 4,244.21
  4. Step 4: Simplify right side
    7,780.93x = 45,573,268.42
  5. Step 5: Solve for x
    x = 45,573,268.42/7,780.93
  6. Step 6: Final answer
    x = 5,857.05

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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.