Home / 9,047.20-13,568.40-2,807.20

Finding the Fourth Proportional to 9,047.20, 13,568.40 and 2,807.20

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Solution

The fourth proportional to 9,047.20, 13,568.40 and 2,807.20 is: 4,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,047.20 : 13,568.40 = 2,807.20 : x
  2. Step 2: Convert to fraction form
    9,047.20/13,568.40 = 2,807.20/x
  3. Step 3: Cross multiply
    9,047.20x = 13,568.40 × 2,807.20
  4. Step 4: Simplify right side
    9,047.20x = 38,089,212.48
  5. Step 5: Solve for x
    x = 38,089,212.48/9,047.20
  6. Step 6: Final answer
    x = 4,210.06

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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.