Home / 5,541.60-8,312.80-3,345.60

Finding the Fourth Proportional to 5,541.60, 8,312.80 and 3,345.60

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Solution

The fourth proportional to 5,541.60, 8,312.80 and 3,345.60 is: 5,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.60 : 8,312.80 = 3,345.60 : x
  2. Step 2: Convert to fraction form
    5,541.60/8,312.80 = 3,345.60/x
  3. Step 3: Cross multiply
    5,541.60x = 8,312.80 × 3,345.60
  4. Step 4: Simplify right side
    5,541.60x = 27,811,303.68
  5. Step 5: Solve for x
    x = 27,811,303.68/5,541.60
  6. Step 6: Final answer
    x = 5,018.64

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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.