Home / 9,055.79-13,580.36-3,131.16

Finding the Fourth Proportional to 9,055.79, 13,580.36 and 3,131.16

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Solution

The fourth proportional to 9,055.79, 13,580.36 and 3,131.16 is: 4,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.79 : 13,580.36 = 3,131.16 : x
  2. Step 2: Convert to fraction form
    9,055.79/13,580.36 = 3,131.16/x
  3. Step 3: Cross multiply
    9,055.79x = 13,580.36 × 3,131.16
  4. Step 4: Simplify right side
    9,055.79x = 42,522,280.02
  5. Step 5: Solve for x
    x = 42,522,280.02/9,055.79
  6. Step 6: Final answer
    x = 4,695.59

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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.