Home / 7,799.90-10,763.88-4,442.86

Finding the Fourth Proportional to 7,799.90, 10,763.88 and 4,442.86

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Solution

The fourth proportional to 7,799.90, 10,763.88 and 4,442.86 is: 6,131.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.90 : 10,763.88 = 4,442.86 : x
  2. Step 2: Convert to fraction form
    7,799.90/10,763.88 = 4,442.86/x
  3. Step 3: Cross multiply
    7,799.90x = 10,763.88 × 4,442.86
  4. Step 4: Simplify right side
    7,799.90x = 47,822,391.64
  5. Step 5: Solve for x
    x = 47,822,391.64/7,799.90
  6. Step 6: Final answer
    x = 6,131.15

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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.