Home / 4,938.86-6,815.35-2,700.29

Finding the Fourth Proportional to 4,938.86, 6,815.35 and 2,700.29

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Solution

The fourth proportional to 4,938.86, 6,815.35 and 2,700.29 is: 3,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.86 : 6,815.35 = 2,700.29 : x
  2. Step 2: Convert to fraction form
    4,938.86/6,815.35 = 2,700.29/x
  3. Step 3: Cross multiply
    4,938.86x = 6,815.35 × 2,700.29
  4. Step 4: Simplify right side
    4,938.86x = 18,403,421.45
  5. Step 5: Solve for x
    x = 18,403,421.45/4,938.86
  6. Step 6: Final answer
    x = 3,726.25

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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.