Home / 7,439.34-11,159.03-2,509.01

Finding the Fourth Proportional to 7,439.34, 11,159.03 and 2,509.01

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Solution

The fourth proportional to 7,439.34, 11,159.03 and 2,509.01 is: 3,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.34 : 11,159.03 = 2,509.01 : x
  2. Step 2: Convert to fraction form
    7,439.34/11,159.03 = 2,509.01/x
  3. Step 3: Cross multiply
    7,439.34x = 11,159.03 × 2,509.01
  4. Step 4: Simplify right side
    7,439.34x = 27,998,068.34
  5. Step 5: Solve for x
    x = 27,998,068.34/7,439.34
  6. Step 6: Final answer
    x = 3,763.52

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Half scale
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Double scale
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Similar ratio
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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.