Home / 8,740.84-13,111.54-2,897.28

Finding the Fourth Proportional to 8,740.84, 13,111.54 and 2,897.28

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Solution

The fourth proportional to 8,740.84, 13,111.54 and 2,897.28 is: 4,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.84 : 13,111.54 = 2,897.28 : x
  2. Step 2: Convert to fraction form
    8,740.84/13,111.54 = 2,897.28/x
  3. Step 3: Cross multiply
    8,740.84x = 13,111.54 × 2,897.28
  4. Step 4: Simplify right side
    8,740.84x = 37,987,802.61
  5. Step 5: Solve for x
    x = 37,987,802.61/8,740.84
  6. Step 6: Final answer
    x = 4,346.01

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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.