Home / 9,020.31-12,447.95-4,987.41

Finding the Fourth Proportional to 9,020.31, 12,447.95 and 4,987.41

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Solution

The fourth proportional to 9,020.31, 12,447.95 and 4,987.41 is: 6,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.31 : 12,447.95 = 4,987.41 : x
  2. Step 2: Convert to fraction form
    9,020.31/12,447.95 = 4,987.41/x
  3. Step 3: Cross multiply
    9,020.31x = 12,447.95 × 4,987.41
  4. Step 4: Simplify right side
    9,020.31x = 62,083,005.37
  5. Step 5: Solve for x
    x = 62,083,005.37/9,020.31
  6. Step 6: Final answer
    x = 6,882.58

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1.5x scale

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.