Home / 4,554.47-6,287.90-2,985.30

Finding the Fourth Proportional to 4,554.47, 6,287.90 and 2,985.30

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Solution

The fourth proportional to 4,554.47, 6,287.90 and 2,985.30 is: 4,121.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,554.47 : 6,287.90 = 2,985.30 : x
  2. Step 2: Convert to fraction form
    4,554.47/6,287.90 = 2,985.30/x
  3. Step 3: Cross multiply
    4,554.47x = 6,287.90 × 2,985.30
  4. Step 4: Simplify right side
    4,554.47x = 18,771,275.33
  5. Step 5: Solve for x
    x = 18,771,275.33/4,554.47
  6. Step 6: Final answer
    x = 4,121.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.