Home / 7,053.20-10,579.80-1,859

Finding the Fourth Proportional to 7,053.20, 10,579.80 and 1,859

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Solution

The fourth proportional to 7,053.20, 10,579.80 and 1,859 is: 2,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.20 : 10,579.80 = 1,859 : x
  2. Step 2: Convert to fraction form
    7,053.20/10,579.80 = 1,859/x
  3. Step 3: Cross multiply
    7,053.20x = 10,579.80 × 1,859
  4. Step 4: Simplify right side
    7,053.20x = 19,667,848.20
  5. Step 5: Solve for x
    x = 19,667,848.20/7,053.20
  6. Step 6: Final answer
    x = 2,788.50

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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.