Home / 5,777.95-7,973.57-3,125.36

Finding the Fourth Proportional to 5,777.95, 7,973.57 and 3,125.36

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Solution

The fourth proportional to 5,777.95, 7,973.57 and 3,125.36 is: 4,312.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.95 : 7,973.57 = 3,125.36 : x
  2. Step 2: Convert to fraction form
    5,777.95/7,973.57 = 3,125.36/x
  3. Step 3: Cross multiply
    5,777.95x = 7,973.57 × 3,125.36
  4. Step 4: Simplify right side
    5,777.95x = 24,920,236.87
  5. Step 5: Solve for x
    x = 24,920,236.87/5,777.95
  6. Step 6: Final answer
    x = 4,312.99

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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.