Home / 4,802.29-7,200.81-1,681.48

Finding the Fourth Proportional to 4,802.29, 7,200.81 and 1,681.48

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Solution

The fourth proportional to 4,802.29, 7,200.81 and 1,681.48 is: 2,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.29 : 7,200.81 = 1,681.48 : x
  2. Step 2: Convert to fraction form
    4,802.29/7,200.81 = 1,681.48/x
  3. Step 3: Cross multiply
    4,802.29x = 7,200.81 × 1,681.48
  4. Step 4: Simplify right side
    4,802.29x = 12,108,018.00
  5. Step 5: Solve for x
    x = 12,108,018.00/4,802.29
  6. Step 6: Final answer
    x = 2,521.30

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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.