Home / 9,120.10-13,674.67-4,430.87

Finding the Fourth Proportional to 9,120.10, 13,674.67 and 4,430.87

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Solution

The fourth proportional to 9,120.10, 13,674.67 and 4,430.87 is: 6,643.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.10 : 13,674.67 = 4,430.87 : x
  2. Step 2: Convert to fraction form
    9,120.10/13,674.67 = 4,430.87/x
  3. Step 3: Cross multiply
    9,120.10x = 13,674.67 × 4,430.87
  4. Step 4: Simplify right side
    9,120.10x = 60,590,685.06
  5. Step 5: Solve for x
    x = 60,590,685.06/9,120.10
  6. Step 6: Final answer
    x = 6,643.64

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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.