Home / 4,328.21-6,487.06-1,984.96

Finding the Fourth Proportional to 4,328.21, 6,487.06 and 1,984.96

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Solution

The fourth proportional to 4,328.21, 6,487.06 and 1,984.96 is: 2,975.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.21 : 6,487.06 = 1,984.96 : x
  2. Step 2: Convert to fraction form
    4,328.21/6,487.06 = 1,984.96/x
  3. Step 3: Cross multiply
    4,328.21x = 6,487.06 × 1,984.96
  4. Step 4: Simplify right side
    4,328.21x = 12,876,547.96
  5. Step 5: Solve for x
    x = 12,876,547.96/4,328.21
  6. Step 6: Final answer
    x = 2,975.03

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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.