Home / 4,428.90-6,643.35-2,088.14

Finding the Fourth Proportional to 4,428.90, 6,643.35 and 2,088.14

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Solution

The fourth proportional to 4,428.90, 6,643.35 and 2,088.14 is: 3,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.90 : 6,643.35 = 2,088.14 : x
  2. Step 2: Convert to fraction form
    4,428.90/6,643.35 = 2,088.14/x
  3. Step 3: Cross multiply
    4,428.90x = 6,643.35 × 2,088.14
  4. Step 4: Simplify right side
    4,428.90x = 13,872,211.65
  5. Step 5: Solve for x
    x = 13,872,211.65/4,428.90
  6. Step 6: Final answer
    x = 3,132.20

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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.