Home / 4,369.74-6,554.10-1,291.50

Finding the Fourth Proportional to 4,369.74, 6,554.10 and 1,291.50

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Solution

The fourth proportional to 4,369.74, 6,554.10 and 1,291.50 is: 1,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,369.74 : 6,554.10 = 1,291.50 : x
  2. Step 2: Convert to fraction form
    4,369.74/6,554.10 = 1,291.50/x
  3. Step 3: Cross multiply
    4,369.74x = 6,554.10 × 1,291.50
  4. Step 4: Simplify right side
    4,369.74x = 8,464,620.15
  5. Step 5: Solve for x
    x = 8,464,620.15/4,369.74
  6. Step 6: Final answer
    x = 1,937.10

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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.