Home / 9,055.29-12,497.85-5,280.67

Finding the Fourth Proportional to 9,055.29, 12,497.85 and 5,280.67

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Solution

The fourth proportional to 9,055.29, 12,497.85 and 5,280.67 is: 7,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.29 : 12,497.85 = 5,280.67 : x
  2. Step 2: Convert to fraction form
    9,055.29/12,497.85 = 5,280.67/x
  3. Step 3: Cross multiply
    9,055.29x = 12,497.85 × 5,280.67
  4. Step 4: Simplify right side
    9,055.29x = 65,997,021.56
  5. Step 5: Solve for x
    x = 65,997,021.56/9,055.29
  6. Step 6: Final answer
    x = 7,288.23

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Double scale
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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.