Home / 7,045.28-9,722.08-3,857.93

Finding the Fourth Proportional to 7,045.28, 9,722.08 and 3,857.93

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Solution

The fourth proportional to 7,045.28, 9,722.08 and 3,857.93 is: 5,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.28 : 9,722.08 = 3,857.93 : x
  2. Step 2: Convert to fraction form
    7,045.28/9,722.08 = 3,857.93/x
  3. Step 3: Cross multiply
    7,045.28x = 9,722.08 × 3,857.93
  4. Step 4: Simplify right side
    7,045.28x = 37,507,096.76
  5. Step 5: Solve for x
    x = 37,507,096.76/7,045.28
  6. Step 6: Final answer
    x = 5,323.72

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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.