Home / 8,987.64-13,483.29-3,148.35

Finding the Fourth Proportional to 8,987.64, 13,483.29 and 3,148.35

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Solution

The fourth proportional to 8,987.64, 13,483.29 and 3,148.35 is: 4,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987.64 : 13,483.29 = 3,148.35 : x
  2. Step 2: Convert to fraction form
    8,987.64/13,483.29 = 3,148.35/x
  3. Step 3: Cross multiply
    8,987.64x = 13,483.29 × 3,148.35
  4. Step 4: Simplify right side
    8,987.64x = 42,450,116.07
  5. Step 5: Solve for x
    x = 42,450,116.07/8,987.64
  6. Step 6: Final answer
    x = 4,723.17

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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.