Home / 7,386.23-11,070.10-3,689.49

Finding the Fourth Proportional to 7,386.23, 11,070.10 and 3,689.49

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Solution

The fourth proportional to 7,386.23, 11,070.10 and 3,689.49 is: 5,529.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.23 : 11,070.10 = 3,689.49 : x
  2. Step 2: Convert to fraction form
    7,386.23/11,070.10 = 3,689.49/x
  3. Step 3: Cross multiply
    7,386.23x = 11,070.10 × 3,689.49
  4. Step 4: Simplify right side
    7,386.23x = 40,842,972.51
  5. Step 5: Solve for x
    x = 40,842,972.51/7,386.23
  6. Step 6: Final answer
    x = 5,529.61

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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.