Home / 9,280.04-12,806.38-5,088.28

Finding the Fourth Proportional to 9,280.04, 12,806.38 and 5,088.28

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Solution

The fourth proportional to 9,280.04, 12,806.38 and 5,088.28 is: 7,021.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.04 : 12,806.38 = 5,088.28 : x
  2. Step 2: Convert to fraction form
    9,280.04/12,806.38 = 5,088.28/x
  3. Step 3: Cross multiply
    9,280.04x = 12,806.38 × 5,088.28
  4. Step 4: Simplify right side
    9,280.04x = 65,162,447.23
  5. Step 5: Solve for x
    x = 65,162,447.23/9,280.04
  6. Step 6: Final answer
    x = 7,021.79

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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.