Home / 9,280.36-12,806.96-5,088.64

Finding the Fourth Proportional to 9,280.36, 12,806.96 and 5,088.64

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Solution

The fourth proportional to 9,280.36, 12,806.96 and 5,088.64 is: 7,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.36 : 12,806.96 = 5,088.64 : x
  2. Step 2: Convert to fraction form
    9,280.36/12,806.96 = 5,088.64/x
  3. Step 3: Cross multiply
    9,280.36x = 12,806.96 × 5,088.64
  4. Step 4: Simplify right side
    9,280.36x = 65,170,008.93
  5. Step 5: Solve for x
    x = 65,170,008.93/9,280.36
  6. Step 6: Final answer
    x = 7,022.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.