Home / 7,386.10-11,071.24-3,681.02

Finding the Fourth Proportional to 7,386.10, 11,071.24 and 3,681.02

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Solution

The fourth proportional to 7,386.10, 11,071.24 and 3,681.02 is: 5,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.10 : 11,071.24 = 3,681.02 : x
  2. Step 2: Convert to fraction form
    7,386.10/11,071.24 = 3,681.02/x
  3. Step 3: Cross multiply
    7,386.10x = 11,071.24 × 3,681.02
  4. Step 4: Simplify right side
    7,386.10x = 40,753,455.86
  5. Step 5: Solve for x
    x = 40,753,455.86/7,386.10
  6. Step 6: Final answer
    x = 5,517.59

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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.