Home / 4,370.72-6,556.16-1,292.72

Finding the Fourth Proportional to 4,370.72, 6,556.16 and 1,292.72

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Solution

The fourth proportional to 4,370.72, 6,556.16 and 1,292.72 is: 1,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,370.72 : 6,556.16 = 1,292.72 : x
  2. Step 2: Convert to fraction form
    4,370.72/6,556.16 = 1,292.72/x
  3. Step 3: Cross multiply
    4,370.72x = 6,556.16 × 1,292.72
  4. Step 4: Simplify right side
    4,370.72x = 8,475,279.16
  5. Step 5: Solve for x
    x = 8,475,279.16/4,370.72
  6. Step 6: Final answer
    x = 1,939.10

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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.