Home / 7,127.04-10,688.73-3,375.12

Finding the Fourth Proportional to 7,127.04, 10,688.73 and 3,375.12

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Solution

The fourth proportional to 7,127.04, 10,688.73 and 3,375.12 is: 5,061.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.04 : 10,688.73 = 3,375.12 : x
  2. Step 2: Convert to fraction form
    7,127.04/10,688.73 = 3,375.12/x
  3. Step 3: Cross multiply
    7,127.04x = 10,688.73 × 3,375.12
  4. Step 4: Simplify right side
    7,127.04x = 36,075,746.40
  5. Step 5: Solve for x
    x = 36,075,746.40/7,127.04
  6. Step 6: Final answer
    x = 5,061.81

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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.