Home / 8,900.64-13,346.08-3,055.20

Finding the Fourth Proportional to 8,900.64, 13,346.08 and 3,055.20

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Solution

The fourth proportional to 8,900.64, 13,346.08 and 3,055.20 is: 4,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.64 : 13,346.08 = 3,055.20 : x
  2. Step 2: Convert to fraction form
    8,900.64/13,346.08 = 3,055.20/x
  3. Step 3: Cross multiply
    8,900.64x = 13,346.08 × 3,055.20
  4. Step 4: Simplify right side
    8,900.64x = 40,774,943.62
  5. Step 5: Solve for x
    x = 40,774,943.62/8,900.64
  6. Step 6: Final answer
    x = 4,581.12

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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.