Home / 5,779.37-7,975.51-3,126.82

Finding the Fourth Proportional to 5,779.37, 7,975.51 and 3,126.82

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Solution

The fourth proportional to 5,779.37, 7,975.51 and 3,126.82 is: 4,315.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.37 : 7,975.51 = 3,126.82 : x
  2. Step 2: Convert to fraction form
    5,779.37/7,975.51 = 3,126.82/x
  3. Step 3: Cross multiply
    5,779.37x = 7,975.51 × 3,126.82
  4. Step 4: Simplify right side
    5,779.37x = 24,937,984.18
  5. Step 5: Solve for x
    x = 24,937,984.18/5,779.37
  6. Step 6: Final answer
    x = 4,315.00

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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.