Home / 4,369.20-6,551.88-1,290.48

Finding the Fourth Proportional to 4,369.20, 6,551.88 and 1,290.48

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Solution

The fourth proportional to 4,369.20, 6,551.88 and 1,290.48 is: 1,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,369.20 : 6,551.88 = 1,290.48 : x
  2. Step 2: Convert to fraction form
    4,369.20/6,551.88 = 1,290.48/x
  3. Step 3: Cross multiply
    4,369.20x = 6,551.88 × 1,290.48
  4. Step 4: Simplify right side
    4,369.20x = 8,455,070.10
  5. Step 5: Solve for x
    x = 8,455,070.10/4,369.20
  6. Step 6: Final answer
    x = 1,935.15

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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.