Home / 10,630.76-15,944.85-2,840.18

Finding the Fourth Proportional to 10,630.76, 15,944.85 and 2,840.18

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Solution

The fourth proportional to 10,630.76, 15,944.85 and 2,840.18 is: 4,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630.76 : 15,944.85 = 2,840.18 : x
  2. Step 2: Convert to fraction form
    10,630.76/15,944.85 = 2,840.18/x
  3. Step 3: Cross multiply
    10,630.76x = 15,944.85 × 2,840.18
  4. Step 4: Simplify right side
    10,630.76x = 45,286,164.35
  5. Step 5: Solve for x
    x = 45,286,164.35/10,630.76
  6. Step 6: Final answer
    x = 4,259.92

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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.