Home / 9,036.90-13,558.41-4,877.31

Finding the Fourth Proportional to 9,036.90, 13,558.41 and 4,877.31

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Solution

The fourth proportional to 9,036.90, 13,558.41 and 4,877.31 is: 7,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,036.90 : 13,558.41 = 4,877.31 : x
  2. Step 2: Convert to fraction form
    9,036.90/13,558.41 = 4,877.31/x
  3. Step 3: Cross multiply
    9,036.90x = 13,558.41 × 4,877.31
  4. Step 4: Simplify right side
    9,036.90x = 66,128,568.68
  5. Step 5: Solve for x
    x = 66,128,568.68/9,036.90
  6. Step 6: Final answer
    x = 7,317.62

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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.