Home / 7,779.10-10,731.77-4,944.95

Finding the Fourth Proportional to 7,779.10, 10,731.77 and 4,944.95

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Solution

The fourth proportional to 7,779.10, 10,731.77 and 4,944.95 is: 6,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.10 : 10,731.77 = 4,944.95 : x
  2. Step 2: Convert to fraction form
    7,779.10/10,731.77 = 4,944.95/x
  3. Step 3: Cross multiply
    7,779.10x = 10,731.77 × 4,944.95
  4. Step 4: Simplify right side
    7,779.10x = 53,068,066.06
  5. Step 5: Solve for x
    x = 53,068,066.06/7,779.10
  6. Step 6: Final answer
    x = 6,821.88

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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.