Home / 4,607.63-6,909.41-1,319.98

Finding the Fourth Proportional to 4,607.63, 6,909.41 and 1,319.98

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Solution

The fourth proportional to 4,607.63, 6,909.41 and 1,319.98 is: 1,979.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.63 : 6,909.41 = 1,319.98 : x
  2. Step 2: Convert to fraction form
    4,607.63/6,909.41 = 1,319.98/x
  3. Step 3: Cross multiply
    4,607.63x = 6,909.41 × 1,319.98
  4. Step 4: Simplify right side
    4,607.63x = 9,120,283.01
  5. Step 5: Solve for x
    x = 9,120,283.01/4,607.63
  6. Step 6: Final answer
    x = 1,979.39

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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.