Home / 7,760.10-10,713.69-4,779.96

Finding the Fourth Proportional to 7,760.10, 10,713.69 and 4,779.96

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Solution

The fourth proportional to 7,760.10, 10,713.69 and 4,779.96 is: 6,599.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.10 : 10,713.69 = 4,779.96 : x
  2. Step 2: Convert to fraction form
    7,760.10/10,713.69 = 4,779.96/x
  3. Step 3: Cross multiply
    7,760.10x = 10,713.69 × 4,779.96
  4. Step 4: Simplify right side
    7,760.10x = 51,211,009.65
  5. Step 5: Solve for x
    x = 51,211,009.65/7,760.10
  6. Step 6: Final answer
    x = 6,599.27

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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.