Home / 5,880.84-8,821.53-1,985.28

Finding the Fourth Proportional to 5,880.84, 8,821.53 and 1,985.28

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Solution

The fourth proportional to 5,880.84, 8,821.53 and 1,985.28 is: 2,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.84 : 8,821.53 = 1,985.28 : x
  2. Step 2: Convert to fraction form
    5,880.84/8,821.53 = 1,985.28/x
  3. Step 3: Cross multiply
    5,880.84x = 8,821.53 × 1,985.28
  4. Step 4: Simplify right side
    5,880.84x = 17,513,207.08
  5. Step 5: Solve for x
    x = 17,513,207.08/5,880.84
  6. Step 6: Final answer
    x = 2,978.01

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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.