Home / 4,605.06-6,907.60-1,142.32

Finding the Fourth Proportional to 4,605.06, 6,907.60 and 1,142.32

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Solution

The fourth proportional to 4,605.06, 6,907.60 and 1,142.32 is: 1,713.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,605.06 : 6,907.60 = 1,142.32 : x
  2. Step 2: Convert to fraction form
    4,605.06/6,907.60 = 1,142.32/x
  3. Step 3: Cross multiply
    4,605.06x = 6,907.60 × 1,142.32
  4. Step 4: Simplify right side
    4,605.06x = 7,890,689.63
  5. Step 5: Solve for x
    x = 7,890,689.63/4,605.06
  6. Step 6: Final answer
    x = 1,713.48

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1.5x scale

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.