Home / 4,977.23-7,465.41-1,689.98

Finding the Fourth Proportional to 4,977.23, 7,465.41 and 1,689.98

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Solution

The fourth proportional to 4,977.23, 7,465.41 and 1,689.98 is: 2,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.23 : 7,465.41 = 1,689.98 : x
  2. Step 2: Convert to fraction form
    4,977.23/7,465.41 = 1,689.98/x
  3. Step 3: Cross multiply
    4,977.23x = 7,465.41 × 1,689.98
  4. Step 4: Simplify right side
    4,977.23x = 12,616,356.26
  5. Step 5: Solve for x
    x = 12,616,356.26/4,977.23
  6. Step 6: Final answer
    x = 2,534.82

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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.