Home / 9,730.57-13,423.38-5,749.76

Finding the Fourth Proportional to 9,730.57, 13,423.38 and 5,749.76

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Solution

The fourth proportional to 9,730.57, 13,423.38 and 5,749.76 is: 7,931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,730.57 : 13,423.38 = 5,749.76 : x
  2. Step 2: Convert to fraction form
    9,730.57/13,423.38 = 5,749.76/x
  3. Step 3: Cross multiply
    9,730.57x = 13,423.38 × 5,749.76
  4. Step 4: Simplify right side
    9,730.57x = 77,181,213.39
  5. Step 5: Solve for x
    x = 77,181,213.39/9,730.57
  6. Step 6: Final answer
    x = 7,931.83

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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.