Home / 4,686.16-7,026.32-1,909.48

Finding the Fourth Proportional to 4,686.16, 7,026.32 and 1,909.48

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Solution

The fourth proportional to 4,686.16, 7,026.32 and 1,909.48 is: 2,863.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.16 : 7,026.32 = 1,909.48 : x
  2. Step 2: Convert to fraction form
    4,686.16/7,026.32 = 1,909.48/x
  3. Step 3: Cross multiply
    4,686.16x = 7,026.32 × 1,909.48
  4. Step 4: Simplify right side
    4,686.16x = 13,416,617.51
  5. Step 5: Solve for x
    x = 13,416,617.51/4,686.16
  6. Step 6: Final answer
    x = 2,863.03

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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.