Home / 6,127.95-9,172.35-3,312.93

Finding the Fourth Proportional to 6,127.95, 9,172.35 and 3,312.93

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Solution

The fourth proportional to 6,127.95, 9,172.35 and 3,312.93 is: 4,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.95 : 9,172.35 = 3,312.93 : x
  2. Step 2: Convert to fraction form
    6,127.95/9,172.35 = 3,312.93/x
  3. Step 3: Cross multiply
    6,127.95x = 9,172.35 × 3,312.93
  4. Step 4: Simplify right side
    6,127.95x = 30,387,353.49
  5. Step 5: Solve for x
    x = 30,387,353.49/6,127.95
  6. Step 6: Final answer
    x = 4,958.81

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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.