Home / 7,054.30-10,581.89-1,860.18

Finding the Fourth Proportional to 7,054.30, 10,581.89 and 1,860.18

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Solution

The fourth proportional to 7,054.30, 10,581.89 and 1,860.18 is: 2,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.30 : 10,581.89 = 1,860.18 : x
  2. Step 2: Convert to fraction form
    7,054.30/10,581.89 = 1,860.18/x
  3. Step 3: Cross multiply
    7,054.30x = 10,581.89 × 1,860.18
  4. Step 4: Simplify right side
    7,054.30x = 19,684,220.14
  5. Step 5: Solve for x
    x = 19,684,220.14/7,054.30
  6. Step 6: Final answer
    x = 2,790.39

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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.