Home / 5,460.32-8,190.48-1,564.74

Finding the Fourth Proportional to 5,460.32, 8,190.48 and 1,564.74

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Solution

The fourth proportional to 5,460.32, 8,190.48 and 1,564.74 is: 2,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.32 : 8,190.48 = 1,564.74 : x
  2. Step 2: Convert to fraction form
    5,460.32/8,190.48 = 1,564.74/x
  3. Step 3: Cross multiply
    5,460.32x = 8,190.48 × 1,564.74
  4. Step 4: Simplify right side
    5,460.32x = 12,815,971.68
  5. Step 5: Solve for x
    x = 12,815,971.68/5,460.32
  6. Step 6: Final answer
    x = 2,347.11

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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.