Home / 7,186.95-10,779.51-5,340.75

Finding the Fourth Proportional to 7,186.95, 10,779.51 and 5,340.75

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Solution

The fourth proportional to 7,186.95, 10,779.51 and 5,340.75 is: 8,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.95 : 10,779.51 = 5,340.75 : x
  2. Step 2: Convert to fraction form
    7,186.95/10,779.51 = 5,340.75/x
  3. Step 3: Cross multiply
    7,186.95x = 10,779.51 × 5,340.75
  4. Step 4: Simplify right side
    7,186.95x = 57,570,698.44
  5. Step 5: Solve for x
    x = 57,570,698.44/7,186.95
  6. Step 6: Final answer
    x = 8,010.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.