Home / 4,345.90-6,518.80-1,059

Finding the Fourth Proportional to 4,345.90, 6,518.80 and 1,059

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Solution

The fourth proportional to 4,345.90, 6,518.80 and 1,059 is: 1,588.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.90 : 6,518.80 = 1,059 : x
  2. Step 2: Convert to fraction form
    4,345.90/6,518.80 = 1,059/x
  3. Step 3: Cross multiply
    4,345.90x = 6,518.80 × 1,059
  4. Step 4: Simplify right side
    4,345.90x = 6,903,409.20
  5. Step 5: Solve for x
    x = 6,903,409.20/4,345.90
  6. Step 6: Final answer
    x = 1,588.49

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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.