Home / 5,497.47-8,244.54-1,987.07

Finding the Fourth Proportional to 5,497.47, 8,244.54 and 1,987.07

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Solution

The fourth proportional to 5,497.47, 8,244.54 and 1,987.07 is: 2,980.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.47 : 8,244.54 = 1,987.07 : x
  2. Step 2: Convert to fraction form
    5,497.47/8,244.54 = 1,987.07/x
  3. Step 3: Cross multiply
    5,497.47x = 8,244.54 × 1,987.07
  4. Step 4: Simplify right side
    5,497.47x = 16,382,436.88
  5. Step 5: Solve for x
    x = 16,382,436.88/5,497.47
  6. Step 6: Final answer
    x = 2,980.00

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1.5x scale

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.