Home / 8,590.08-11,853.90-4,812.78

Finding the Fourth Proportional to 8,590.08, 11,853.90 and 4,812.78

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Solution

The fourth proportional to 8,590.08, 11,853.90 and 4,812.78 is: 6,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.08 : 11,853.90 = 4,812.78 : x
  2. Step 2: Convert to fraction form
    8,590.08/11,853.90 = 4,812.78/x
  3. Step 3: Cross multiply
    8,590.08x = 11,853.90 × 4,812.78
  4. Step 4: Simplify right side
    8,590.08x = 57,050,212.84
  5. Step 5: Solve for x
    x = 57,050,212.84/8,590.08
  6. Step 6: Final answer
    x = 6,641.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.