Home / 7,304.16-10,956.96-3,140.64

Finding the Fourth Proportional to 7,304.16, 10,956.96 and 3,140.64

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Solution

The fourth proportional to 7,304.16, 10,956.96 and 3,140.64 is: 4,711.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,304.16 : 10,956.96 = 3,140.64 : x
  2. Step 2: Convert to fraction form
    7,304.16/10,956.96 = 3,140.64/x
  3. Step 3: Cross multiply
    7,304.16x = 10,956.96 × 3,140.64
  4. Step 4: Simplify right side
    7,304.16x = 34,411,866.85
  5. Step 5: Solve for x
    x = 34,411,866.85/7,304.16
  6. Step 6: Final answer
    x = 4,711.27

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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.