Home / 4,887.44-6,740.88-3,312.80

Finding the Fourth Proportional to 4,887.44, 6,740.88 and 3,312.80

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Solution

The fourth proportional to 4,887.44, 6,740.88 and 3,312.80 is: 4,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.44 : 6,740.88 = 3,312.80 : x
  2. Step 2: Convert to fraction form
    4,887.44/6,740.88 = 3,312.80/x
  3. Step 3: Cross multiply
    4,887.44x = 6,740.88 × 3,312.80
  4. Step 4: Simplify right side
    4,887.44x = 22,331,187.26
  5. Step 5: Solve for x
    x = 22,331,187.26/4,887.44
  6. Step 6: Final answer
    x = 4,569.10

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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.