Home / 7,127.80-10,679.04-4,353.16

Finding the Fourth Proportional to 7,127.80, 10,679.04 and 4,353.16

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Solution

The fourth proportional to 7,127.80, 10,679.04 and 4,353.16 is: 6,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.80 : 10,679.04 = 4,353.16 : x
  2. Step 2: Convert to fraction form
    7,127.80/10,679.04 = 4,353.16/x
  3. Step 3: Cross multiply
    7,127.80x = 10,679.04 × 4,353.16
  4. Step 4: Simplify right side
    7,127.80x = 46,487,569.77
  5. Step 5: Solve for x
    x = 46,487,569.77/7,127.80
  6. Step 6: Final answer
    x = 6,522.01

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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.