Home / 7,434.01-11,152.89-5,247.01

Finding the Fourth Proportional to 7,434.01, 11,152.89 and 5,247.01

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Solution

The fourth proportional to 7,434.01, 11,152.89 and 5,247.01 is: 7,871.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.01 : 11,152.89 = 5,247.01 : x
  2. Step 2: Convert to fraction form
    7,434.01/11,152.89 = 5,247.01/x
  3. Step 3: Cross multiply
    7,434.01x = 11,152.89 × 5,247.01
  4. Step 4: Simplify right side
    7,434.01x = 58,519,325.36
  5. Step 5: Solve for x
    x = 58,519,325.36/7,434.01
  6. Step 6: Final answer
    x = 7,871.84

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Half scale
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Double scale
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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.