Home / 4,386.40-6,581.04-1,888.96

Finding the Fourth Proportional to 4,386.40, 6,581.04 and 1,888.96

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Solution

The fourth proportional to 4,386.40, 6,581.04 and 1,888.96 is: 2,834.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.40 : 6,581.04 = 1,888.96 : x
  2. Step 2: Convert to fraction form
    4,386.40/6,581.04 = 1,888.96/x
  3. Step 3: Cross multiply
    4,386.40x = 6,581.04 × 1,888.96
  4. Step 4: Simplify right side
    4,386.40x = 12,431,321.32
  5. Step 5: Solve for x
    x = 12,431,321.32/4,386.40
  6. Step 6: Final answer
    x = 2,834.06

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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.