Home / 4,328.78-6,492.12-1,864.76

Finding the Fourth Proportional to 4,328.78, 6,492.12 and 1,864.76

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Solution

The fourth proportional to 4,328.78, 6,492.12 and 1,864.76 is: 2,796.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.78 : 6,492.12 = 1,864.76 : x
  2. Step 2: Convert to fraction form
    4,328.78/6,492.12 = 1,864.76/x
  3. Step 3: Cross multiply
    4,328.78x = 6,492.12 × 1,864.76
  4. Step 4: Simplify right side
    4,328.78x = 12,106,245.69
  5. Step 5: Solve for x
    x = 12,106,245.69/4,328.78
  6. Step 6: Final answer
    x = 2,796.69

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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.