Home / 4,328.80-6,492.30-1,863.70

Finding the Fourth Proportional to 4,328.80, 6,492.30 and 1,863.70

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Solution

The fourth proportional to 4,328.80, 6,492.30 and 1,863.70 is: 2,795.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.80 : 6,492.30 = 1,863.70 : x
  2. Step 2: Convert to fraction form
    4,328.80/6,492.30 = 1,863.70/x
  3. Step 3: Cross multiply
    4,328.80x = 6,492.30 × 1,863.70
  4. Step 4: Simplify right side
    4,328.80x = 12,099,699.51
  5. Step 5: Solve for x
    x = 12,099,699.51/4,328.80
  6. Step 6: Final answer
    x = 2,795.16

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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.