Home / 8,690.16-13,030.44-3,065.04

Finding the Fourth Proportional to 8,690.16, 13,030.44 and 3,065.04

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Solution

The fourth proportional to 8,690.16, 13,030.44 and 3,065.04 is: 4,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690.16 : 13,030.44 = 3,065.04 : x
  2. Step 2: Convert to fraction form
    8,690.16/13,030.44 = 3,065.04/x
  3. Step 3: Cross multiply
    8,690.16x = 13,030.44 × 3,065.04
  4. Step 4: Simplify right side
    8,690.16x = 39,938,819.82
  5. Step 5: Solve for x
    x = 39,938,819.82/8,690.16
  6. Step 6: Final answer
    x = 4,595.87

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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.