Home / 10,290.92-15,424.08-4,738.68

Finding the Fourth Proportional to 10,290.92, 15,424.08 and 4,738.68

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Solution

The fourth proportional to 10,290.92, 15,424.08 and 4,738.68 is: 7,102.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.92 : 15,424.08 = 4,738.68 : x
  2. Step 2: Convert to fraction form
    10,290.92/15,424.08 = 4,738.68/x
  3. Step 3: Cross multiply
    10,290.92x = 15,424.08 × 4,738.68
  4. Step 4: Simplify right side
    10,290.92x = 73,089,779.41
  5. Step 5: Solve for x
    x = 73,089,779.41/10,290.92
  6. Step 6: Final answer
    x = 7,102.36

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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.